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H3K79me2 Antibody - ChIP-seq Grade (sample size)

CUT&Tag grade Abs

ChIP-seq grade Abs

ChIP grade Abs

Negative IgG control

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Catalog Number

Format

Price

C15410051-10

10 µg

$115.00
Bulk order

Other format

C15410051

50 μg

Polyclonal antibody raised in rabbit against the region of histone H3 containing the dimethylated lysine 79 (H3K79me2), using a KLH-conjugated synthetic peptide.

Lot	A1193D
Concentration	1.1 µg/µl
Species reactivity	Human
Type	Polyclonal
Purity	Affinity purified
Host	Rabbit
Precautions	This product is for research use only. Not for use in diagnostic or therapeutic procedures.

Applications	Suggested dilution	References
ChIP/ChIP-seq ^*	1-2 μg/ChIP	Fig 1, 2
ELISA	1:500	Fig 3
Dot Blotting	1:5,000	Fig 4
Western Blotting	1:200	Fig 5

^* Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.

Validation data

Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2
ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the “Auto Histone ChIP-seq” kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 μg of antibody per ChIP experiment was analyzed. IgG (1 μg/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).

Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2
ChIP was performed with 1 μg of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP’d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer’s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).

Figure 3. Determination of the antibody titer
To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600.

Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2
A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest.

Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2
Western blot was performed on whole cell (25 μg, lane 1) and histone extracts (15 μg, lane 2) from HeLa cells, and on 1 μg of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.
Target Description
Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called “histone code”. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.

実験手法

WB
Western blot : The quality of antibodies used in this technique is crucial for correct and specific protein identification. Diagenode offers huge selection of highly sensitive and specific western blot-validated antibodies. Learn more about: Load... Read more

ELISA
Enzyme-linked immunosorbent assay. Read more

DB
Dot blotting Read more

IF
Immunofluorescence: Diagenode offers huge selection of highly sensitive antibodies validated in IF. Immunofluorescence using the Diagenode monoclonal antibody directed against CRISPR/Cas9 HeLa cells transfected with a Cas9 expression vector (... Read more

ChIP-seq (ab)
Read more

ChIP-qPCR (ab)
Read more

出版物

How to properly cite this product in your work

Diagenode strongly recommends using this: H3K79me2 Antibody - ChIP-seq Grade (sample size) (Diagenode Cat# C15410051-10 Lot# A1193D). Click here to copy to clipboard.

Using our products in your publication? Let us know!

DOT1L O-GlcNAcylation promotes its protein stability andMLL-fusion leukemia cell proliferation.
Song Tanjing et al.
Histone lysine methylation functions at the interface of the extracellular environment and intracellular gene expression. DOT1L is a versatile histone H3K79 methyltransferase with a prominent role in MLL-fusion leukemia, yet little is known about how DOT1L responds to extracellular stimuli. Here, we report that DOT1...

Environmental enrichment induces epigenomic and genome organization changesrelevant for cognitive function
Espeso-Gil, S. et al.
In early development, the environment triggers mnemonic epigenomic programs resulting in memory and learning experiences to confer cognitive phenotypes into adulthood. To uncover how environmental stimulation impacts the epigenome and genome organization, we used the paradigm of environmental enrichment (EE) in youn...

DOT1L Activity Promotes Proliferation and Protects Cortical Neural Stem Cells from Activation of ATF4-DDIT3-Mediated ER Stress In Vitro
Roidl D, Hellbach N, Bovio PP, Villarreal A, Heidrich S, Nestel S, Grüning BA, Boenisch U, Vogel T
Growing evidence suggests that the lysine methyltransferase DOT1L/KMT4 has important roles in proliferation, survival, and differentiation of stem cells in development and in disease. We investigated the function of DOT1L in neural stem cells (NSCs) of the cerebral cortex. The pharmacological inhibition and shRNA-me...

Anticheckpoint pathways at telomeres in yeast
Ribeyre Cyril, Shore David
Telomeres hide (or ‘cap’) chromosome ends from DNA-damage surveillance mechanisms that arrest the cell cycle and promote repair, but the checkpoint status of telomeres is not well understood. Here we characterize the response in Saccharomyces cerevisiae to DNA double-strand breaks (DSBs) flanked by varying amounts o...

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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
</div>
</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
</div>
<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p>Learn more about: <a href="https://www.diagenode.com/applications/western-blot">Loading control, MW marker visualization</a><em>. <br /></em></p>
<p><em></em>Check our selection of antibodies validated in Western blot.</p>',
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<p>Diagenode offers huge selection of highly sensitive antibodies validated in IF.</p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15200229-IF.jpg" alt="" height="245" width="256" /></p>
<p><sup><strong>Immunofluorescence using the Diagenode monoclonal antibody directed against CRISPR/Cas9</strong></sup></p>
<p><sup>HeLa cells transfected with a Cas9 expression vector (left) or untransfected cells (right) were fixed in methanol at -20&deg;C, permeabilized with acetone at -20&deg;C and blocked with PBS containing 2% BSA. The cells were stained with the Cas9 C-terminal antibody (Cat. No. C15200229) diluted 1:400, followed by incubation with an anti-mouse secondary antibody coupled to AF488. The bottom images show counter-staining of the nuclei with Hoechst 33342.</sup></p>
<h5><sup>Check our selection of antibodies validated in IF.</sup></h5>',
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			'description' => '<p><b>Unparalleled ChIP-Seq results with the most rigorously validated antibodies</b></p>
<p><span style="font-weight: 400;">Diagenode provides leading solutions for epigenetic research. Because ChIP-seq is a widely-used technique, we validate our antibodies in ChIP and ChIP-seq experiments (in addition to conventional methods like Western blot, Dot blot, ELISA, and immunofluorescence) to provide the highest quality antibody. We standardize our validation and production to guarantee high product quality without technical bias. Diagenode guarantees ChIP-seq grade antibody performance under our suggested conditions.</span></p>
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<div class="small-12 medium-9 large-9 columns">
<p><strong>ChIP-seq profile</strong> of active (H3K4me3 and H3K36me3) and inactive (H3K27me3) marks using Diagenode antibodies.</p>
<img src="https://www.diagenode.com/img/categories/antibodies/chip-seq-grade-antibodies.png" /></div>
<div class="small-12 medium-3 large-3 columns">
<p><small> ChIP was performed on sheared chromatin from 100,000 K562 cells using iDeal ChIP-seq kit for Histones (cat. No. C01010051) with 1 &micro;g of the Diagenode antibodies against H3K27me3 (cat. No. C15410195) and H3K4me3 (cat. No. C15410003), and 0.5 &micro;g of the antibody against H3K36me3 (cat. No. C15410192). The IP'd DNA was subsequently analysed on an Illumina Genome Analyzer. Library preparation, cluster generation and sequencing were performed according to the manufacturer's instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the signal distribution along the complete sequence of human chromosome 3, a zoomin to a 10 Mb region and a further zoomin to a 1.5 Mb region. </small></p>
</div>
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<p>Diagenode&rsquo;s highly validated antibodies:</p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
<li>Sample sizes available</li>
<li>100% satisfaction guarantee</li>
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			'description' => '<p><span style="font-weight: 400;">All Diagenode&rsquo;s antibodies are listed below. Please, use our Quick search field to find the antibody of interest by target name, application, purity.</span></p>
<p><span style="font-weight: 400;">Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
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			'meta_title' => 'Diagenode's selection of Antibodies is exclusively dedicated for Epigenetic Research | Diagenode',
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			'name' => 'Histone antibodies',
			'description' => '<p>Histones are the main protein components of chromatin involved in the compaction of DNA into nucleosomes, the basic units of chromatin. A <strong>nucleosome</strong> consists of one pair of each of the core histones (<strong>H2A</strong>, <strong>H2B</strong>, <strong>H3</strong> and <strong>H4</strong>) forming an octameric structure wrapped by 146 base pairs of DNA. The different nucleosomes are linked by the linker histone<strong> H1, </strong>allowing for further condensation of chromatin.</p>
<p>The core histones have a globular structure with large unstructured N-terminal tails protruding from the nucleosome.&nbsp; They can undergo to multiple post-translational modifications (PTM), mainly at the N-terminal tails. These <strong>post-translational modifications </strong>include&nbsp; methylation, acetylation, phosphorylation, ubiquitinylation, citrullination, sumoylation, deamination and crotonylation.&nbsp; The most well characterized PTMs are <strong>methylation,</strong> <strong>acetylation and phosphorylation</strong>. Histone methylation occurs mainly on lysine (K) residues, which can be mono-, di- or tri-methylated, and on arginines (R), which can be mono-methylated and symmetrically or asymmetrically di-methylated. Histone acetylation occurs on lysines and histone phosphorylation mainly on serines (S), threonines (T) and tyrosines (Y).</p>
<p>The PTMs of the different residues are involved in numerous processes such as DNA repair, DNA replication and chromosome condensation. They influence the chromatin organization and can be positively or negatively associated with gene expression. Trimethylation of H3K4, H3K36 and H3K79, and lysine acetylation generally result in an open chromatin configuration (figure below) and are therefore associated with <strong>euchromatin</strong> and gene activation. Trimethylation of H3K9, K3K27 and H4K20, on the other hand, is enriched in <strong>heterochromatin </strong>and associated with gene silencing. The combination of different histone modifications is called the "<strong>histone code</strong>&rdquo;, analogous to the genetic code.</p>
<p><img src="https://www.diagenode.com/img/categories/antibodies/histone-marks-illustration.png" /></p>
<p>Diagenode is proud to offer a large range of antibodies against histones and histone modifications. Our&nbsp; antibodies are highly specific and have been validated in many applications, including <strong>ChIP</strong> and <strong>ChIP-seq</strong>.</p>
<p>Diagenode&rsquo;s collection includes antibodies recognizing:</p>
<ul>
<li><strong>Histone H1 variants</strong></li>
<li><strong>Histone H2A, H2A variants and histone H2A</strong> <strong>modifications</strong> (serine phosphorylation, lysine acetylation, lysine ubiquitinylation)</li>
<li><strong>Histone H2B and H2B</strong> <strong>modifications </strong>(serine phosphorylation, lysine acetylation)</li>
<li><strong>Histone H3 and H3 modifications </strong>(lysine methylation (mono-, di- and tri-methylated), lysine acetylation, serine phosphorylation, threonine phosphorylation, arginine methylation (mono-methylated, symmetrically and asymmetrically di-methylated))</li>
<li><strong>Histone H4 and H4 modifications (</strong>lysine methylation (mono-, di- and tri-methylated), lysine acetylation, arginine methylation (mono-methylated and symmetrically di-methylated), serine phosphorylation )</li>
</ul>
<p><span style="font-weight: 400;"><strong>HDAC's HAT's, HMT's and other</strong> <strong>enzymes</strong> which modify histones can be found in the category <a href="../categories/chromatin-modifying-proteins-histone-transferase">Histone modifying enzymes</a><br /></span></p>
<p><span style="font-weight: 400;"> Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Highly sensitive and specific</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost-effective (requires less antibody per reaction)</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Batch-specific data is available on the website</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert technical support</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sample sizes available</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100% satisfaction guarantee</span></li>
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			'name' => 'ChIP-grade antibodies',
			'description' => '<div class="row">
<div class="small-12 columns"><center></center>
<p><br />Chromatin immunoprecipitation (<b>ChIP</b>) is a technique to study the associations of proteins with the specific genomic regions in intact cells. One of the most important steps of this protocol is the immunoprecipitation of targeted protein using the antibody specifically recognizing it. The quality of antibodies used in ChIP is essential for the success of the experiment. Diagenode offers extensively validated ChIP-grade antibodies, confirmed for their specificity, and high level of performance in ChIP. Each batch is validated, and batch-specific data are available on the website.</p>
<p></p>
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<p><strong>ChIP results</strong> obtained with the antibody directed against H3K4me3 (Cat. No. <a href="../p/h3k4me3-polyclonal-antibody-premium-50-ug-50-ul">C15410003</a>).&nbsp;</p>
<div class="row">
<div class="small-12 medium-6 large-6 columns"><img src="https://www.diagenode.com/img/product/antibodies/C15410003-fig1-ChIP.jpg" alt="" width="400" height="315" />&nbsp;</div>
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<p></p>
<p></p>
<p></p>
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<p>Our aim at Diagenode is to offer the largest collection of highly specific <strong>ChIP-grade antibodies</strong>. We add new antibodies monthly. Find your ChIP-grade antibody in the list below and check more information about tested applications, extensive validation data, and product information.</p>',
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			'description' => '<h1><strong>Validated epigenetics antibodies</strong>&nbsp;&ndash; care for a sample?<br />&nbsp;</h1>
<p>Diagenode has partnered with leading epigenetics experts and numerous epigenetics consortiums to bring to you a validated and comprehensive collection of epigenetic antibodies. As an expert in epigenetics, we are committed to offering highly-specific antibodies validated for ChIP/ChIP-seq and many other applications. All batch-specific validation data is available on our website.<br /><a href="../categories/antibodies">Read about our expertise in antibody production</a>.</p>
<ul>
<li><strong>Focused</strong> -&nbsp;Diagenode's selection of antibodies is exclusively dedicated for epigenetic research. <a title="See the full collection." href="../categories/all-antibodies">See the full collection.</a></li>
<li><strong>Strict quality standards</strong>&nbsp;with rigorous QC and validation</li>
<li><strong>Classified</strong>&nbsp;based on level of validation for flexibility of application</li>
</ul>
<p>Existing sample sizes are listed below. We will soon expand our collection. &nbsp;Are you looking for a sample size of another antibody? Just <a href="mailto:agnieszka.zelisko@diagenode.com?Subject=Sample%20Size%20Request" target="_top">Contact us</a>.</p>',
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			'description' => '<p style="text-align: justify;"><span>Epigenetic research tools have evolved over time from endpoint PCR to qPCR to the analyses of large sets of genome-wide sequencing data. ChIP sequencing (ChIP-seq) has now become the gold standard method for chromatin studies, given the accuracy and coverage scale of the approach over other methods. Successful ChIP-seq, however, requires a higher level of experimental accuracy and consistency in all steps of ChIP than ever before. Particularly crucial is the quality of ChIP antibodies. </span></p>',
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			'description' => '<p>More than in any other immuoprecipitation assays, quality antibodies are critical tools in many epigenetics experiments. Since 10 years, Diagenode has developed the most stringent quality production available on the market for antibodies exclusively focused on epigenetic uses. All our antibodies have been qualified to work in epigenetic applications.</p>',
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			'name' => 'Datasheet H3K79me2 C15410051',
			'description' => '<p>Polyclonal antibody raised in rabbit against the region of histone H3 containing the dimethylated lysine 79 (H3K79me2), using a KLH-conjugated synthetic peptide.</p>',
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			'name' => 'DOT1L O-GlcNAcylation promotes its protein stability andMLL-fusion leukemia cell proliferation.',
			'authors' => 'Song Tanjing et al.',
			'description' => '<p>Histone lysine methylation functions at the interface of the extracellular environment and intracellular gene expression. DOT1L is a versatile histone H3K79 methyltransferase with a prominent role in MLL-fusion leukemia, yet little is known about how DOT1L responds to extracellular stimuli. Here, we report that DOT1L protein stability is regulated by the extracellular glucose level through the hexosamine biosynthetic pathway (HBP). Mechanistically, DOT1L is O-GlcNAcylated at evolutionarily conserved S1511 in its C terminus. We identify UBE3C as a DOT1L E3 ubiquitin ligase promoting DOT1L degradation whose interaction with DOT1L is susceptible to O-GlcNAcylation. Consequently, HBP enhances H3K79 methylation and expression of critical DOT1L target genes such as HOXA9/MEIS1, promoting cell proliferation in MLL-fusion leukemia. Inhibiting HBP or O-GlcNAc transferase (OGT) increases cellular sensitivity to DOT1L inhibitor. Overall, our work uncovers O-GlcNAcylation and UBE3C as critical determinants of DOT1L protein abundance, revealing a mechanism by which glucose metabolism affects malignancy progression through histone methylation.</p>',
			'date' => '2021-09-01',
			'pmid' => 'https://www.ncbi.nlm.nih.gov/pubmed/34551297',
			'doi' => '10.1016/j.celrep.2021.109739',
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			'authors' => 'Espeso-Gil, S. et al.',
			'description' => '<p>In early development, the environment triggers mnemonic epigenomic programs resulting in memory and learning experiences to confer cognitive phenotypes into adulthood. To uncover how environmental stimulation impacts the epigenome and genome organization, we used the paradigm of environmental enrichment (EE) in young mice constantly receiving novel stimulation. We profiled epigenome and chromatin architecture in whole cortex and sorted neurons by deep-sequencing techniques. Specifically, we studied chromatin accessibility, gene and protein regulation, and 3D genome conformation, combined with predicted enhancer and chromatin interactions. We identified increased chromatin accessibility, transcription factor binding including CTCF-mediated insulation, differential occupancy of H3K36me3 and H3K79me2, and changes in transcriptional programs required for neuronal development. EE stimuli led to local genome re-organization by inducing increased contacts between chromosomes 7 and 17 (inter-chromosomal). Our findings support the notion that EE-induced learning and memory processes are directly associated with the epigenome and genome organization.</p>',
			'date' => '2021-02-01',
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			'authors' => 'Roidl D, Hellbach N, Bovio PP, Villarreal A, Heidrich S, Nestel S, Grüning BA, Boenisch U, Vogel T',
			'description' => '<p>Growing evidence suggests that the lysine methyltransferase DOT1L/KMT4 has important roles in proliferation, survival, and differentiation of stem cells in development and in disease. We investigated the function of DOT1L in neural stem cells (NSCs) of the cerebral cortex. The pharmacological inhibition and shRNA-mediated knockdown of DOT1L impaired proliferation and survival of NSCs. DOT1L inhibition specifically induced genes that are activated during the unfolded protein response (UPR) in the endoplasmic reticulum (ER). Chromatin-immunoprecipitation analyses revealed that two genes encoding for central molecules involved in the ER stress response, Atf4 and Ddit3 (Chop), are marked with H3K79 methylation. Interference with DOT1L activity resulted in transcriptional activation of both genes accompanied by decreased levels of H3K79 dimethylation. Although downstream effectors of the UPR, such as Ppp1r15a/Gadd34, Atf3, and Tnfrsf10b/Dr5 were also transcriptionally activated, this most likely occurred in response to increased ATF4 expression rather than as a direct consequence of altered H3K79 methylation. While stem cells are particularly vulnerable to stress, the UPR and ER stress have not been extensively studied in these cells yet. Since activation of the ER stress program is also implicated in directing stem cells into differentiation or to maintain a proliferative status, the UPR must be tightly regulated. Our and published data suggest that histone modifications, including H3K4me3, H3K14ac, and H3K79me2, are implicated in the control of transcriptional activation of ER stress genes. In this context, the loss of H3K79me2 at the Atf4- and Ddit3-promoters appears to mark a point-of-no-return that activates the death program in NSCs.</p>',
			'date' => '2016-01-01',
			'pmid' => 'http://www.ncbi.nlm.nih.gov/pubmed/26299268',
			'doi' => '10.1002/stem.2187',
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			'description' => 'Telomeres hide (or ‘cap’) chromosome ends from DNA-damage surveillance mechanisms that arrest the cell cycle and promote repair, but the checkpoint status of telomeres is not well understood. Here we characterize the response in Saccharomyces cerevisiae to DNA double-strand breaks (DSBs) flanked by varying amounts of telomeric repeat sequences (TG1–3). We show that even short arrays of TG1–3 repeats do not induce G2/M arrest. Both Rif1 1 and Rif2 are required for capping at short, rapidly elongating ends, yet are largely dispensable for protection of longer telomeric arrays. Rif1 1 and Rif2 act through parallel pathways to block accumulation of both RPA and Rad24, activators of checkpoint kinase Mec1 1 (ATR). Finally, we show that Rif function is correlated with an ‘anticheckpoint’ effect, in which checkpoint recovery at an adjacent unprotected end is stimulated, and we provide insight into the molecular mechanism of this phenomenon.',
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		'id' => '2212',
		'antibody_id' => '76',
		'name' => 'H3K79me2 Antibody',
		'description' => '<p><span>Polyclonal antibody raised in rabbit against the region of histone <strong>H3 containing the dimethylated lysine 79 (H3K79me2)</strong>, using a KLH-conjugated synthetic peptide.</span></p>',
		'label1' => 'Validation Data',
		'info1' => '<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<td>Fig 1, 2</td>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
</div>
</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
</div>
<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
</div>
</div>',
		'label2' => 'Target Description',
		'info2' => '<p>Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called &ldquo;histone code&rdquo;. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.</p>',
		'label3' => '',
		'info3' => '',
		'format' => '10 µg',
		'catalog_number' => 'C15410051-10',
		'old_catalog_number' => '',
		'sf_code' => 'C15410051-D001-000582',
		'type' => 'RFR',
		'search_order' => '03-Antibody',
		'price_EUR' => '105',
		'price_USD' => '115',
		'price_GBP' => '100',
		'price_JPY' => '16450',
		'price_CNY' => '0',
		'price_AUD' => '288',
		'country' => 'ALL',
		'except_countries' => 'None',
		'quote' => false,
		'in_stock' => false,
		'featured' => false,
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		'online' => true,
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		'slug' => 'h3k79me2-polyclonal-antibody-classic-10-ug',
		'meta_title' => 'H3K79me2 Antibody - ChIP-seq Grade (C15410051-10) | Diagenode',
		'meta_keywords' => '',
		'meta_description' => '',
		'modified' => '2021-12-23 11:33:40',
		'created' => '2020-07-01 10:35:25',
		'locale' => 'jpn'
	),
	'Antibody' => array(
		'host' => '*****',
		'id' => '76',
		'name' => 'H3K79me2 polyclonal antibody',
		'description' => 'Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called “histone code”. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.',
		'clonality' => '',
		'isotype' => '',
		'lot' => 'A1193D',
		'concentration' => '1.1 &micro;g/&micro;l',
		'reactivity' => 'Human',
		'type' => 'Polyclonal',
		'purity' => 'Affinity purified',
		'classification' => 'Classic',
		'application_table' => '<table>
<thead>
<tr>
<th>Applications</th>
<th>Suggested dilution</th>
<th>References</th>
</tr>
</thead>
<tbody>
<tr>
<td>ChIP/ChIP-seq <sup>*</sup> </td>
<td>1-2 μg/ChIP</td>
<td>Fig 1, 2</td>
</tr>
<tr>
<td>ELISA</td>
<td>1:500</td>
<td>Fig 3</td>
</tr>
<tr>
<td>Dot Blotting</td>
<td>1:5,000</td>
<td>Fig 4</td>
</tr>
<tr>
<td>Western Blotting</td>
<td>1:200</td>
<td>Fig 5</td>
</tr>
</tbody>
</table>

<small><sup>*</sup> Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.</small>',
		'storage_conditions' => '',
		'storage_buffer' => '',
		'precautions' => 'This product is for research use only. Not for use in diagnostic or therapeutic procedures.',
		'uniprot_acc' => '',
		'slug' => '',
		'meta_keywords' => '',
		'meta_description' => '',
		'modified' => '2016-08-03 10:50:39',
		'created' => '0000-00-00 00:00:00',
		'select_label' => '76 - H3K79me2 polyclonal antibody (A1193D - 1.1 &micro;g/&micro;l - Human - Affinity purified - Rabbit)'
	),
	'Slave' => array(),
	'Group' => array(
		'Group' => array(
			'id' => '285',
			'name' => 'C15410051',
			'product_id' => '2212',
			'modified' => '2020-07-01 10:35:54',
			'created' => '2020-07-01 10:35:54'
		),
		'Master' => array(
			'id' => '2212',
			'antibody_id' => '76',
			'name' => 'H3K79me2 Antibody',
			'description' => '<p><span>Polyclonal antibody raised in rabbit against the region of histone <strong>H3 containing the dimethylated lysine 79 (H3K79me2)</strong>, using a KLH-conjugated synthetic peptide.</span></p>',
			'label1' => 'Validation Data',
			'info1' => '<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
</div>
</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
</div>
<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
</div>
</div>',
			'label2' => 'Target Description',
			'info2' => '<p>Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called &ldquo;histone code&rdquo;. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.</p>',
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			'old_catalog_number' => 'pAb-051-050',
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			'price_EUR' => '380',
			'price_USD' => '380',
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			'price_JPY' => '59525',
			'price_CNY' => '',
			'price_AUD' => '950',
			'country' => 'ALL',
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			'meta_description' => 'H3K79me2 (Histone H3 dimethylated at lysine 79) Polyclonal Antibody validated  in ChIP-seq, ChIP-qPCR, ELISA, WB, DB and IF. Batch-specific data available on the website. ',
			'modified' => '2021-12-23 11:33:29',
			'created' => '2015-06-29 14:08:20'
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			'description' => '<p><strong>Western blot</strong> : The quality of antibodies used in this technique is crucial for correct and specific protein identification. Diagenode offers huge selection of highly sensitive and specific western blot-validated antibodies.</p>
<p>Learn more about: <a href="https://www.diagenode.com/applications/western-blot">Loading control, MW marker visualization</a><em>. <br /></em></p>
<p><em></em>Check our selection of antibodies validated in Western blot.</p>',
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			'description' => '<p><strong>Immunofluorescence</strong>:</p>
<p>Diagenode offers huge selection of highly sensitive antibodies validated in IF.</p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15200229-IF.jpg" alt="" height="245" width="256" /></p>
<p><sup><strong>Immunofluorescence using the Diagenode monoclonal antibody directed against CRISPR/Cas9</strong></sup></p>
<p><sup>HeLa cells transfected with a Cas9 expression vector (left) or untransfected cells (right) were fixed in methanol at -20&deg;C, permeabilized with acetone at -20&deg;C and blocked with PBS containing 2% BSA. The cells were stained with the Cas9 C-terminal antibody (Cat. No. C15200229) diluted 1:400, followed by incubation with an anti-mouse secondary antibody coupled to AF488. The bottom images show counter-staining of the nuclei with Hoechst 33342.</sup></p>
<h5><sup>Check our selection of antibodies validated in IF.</sup></h5>',
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			'meta_description' => 'Diagenode offers a wide range of antibodies and technical support for ChIP-qPCR applications',
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			'description' => '<p><b>Unparalleled ChIP-Seq results with the most rigorously validated antibodies</b></p>
<p><span style="font-weight: 400;">Diagenode provides leading solutions for epigenetic research. Because ChIP-seq is a widely-used technique, we validate our antibodies in ChIP and ChIP-seq experiments (in addition to conventional methods like Western blot, Dot blot, ELISA, and immunofluorescence) to provide the highest quality antibody. We standardize our validation and production to guarantee high product quality without technical bias. Diagenode guarantees ChIP-seq grade antibody performance under our suggested conditions.</span></p>
<div class="row">
<div class="small-12 medium-9 large-9 columns">
<p><strong>ChIP-seq profile</strong> of active (H3K4me3 and H3K36me3) and inactive (H3K27me3) marks using Diagenode antibodies.</p>
<img src="https://www.diagenode.com/img/categories/antibodies/chip-seq-grade-antibodies.png" /></div>
<div class="small-12 medium-3 large-3 columns">
<p><small> ChIP was performed on sheared chromatin from 100,000 K562 cells using iDeal ChIP-seq kit for Histones (cat. No. C01010051) with 1 &micro;g of the Diagenode antibodies against H3K27me3 (cat. No. C15410195) and H3K4me3 (cat. No. C15410003), and 0.5 &micro;g of the antibody against H3K36me3 (cat. No. C15410192). The IP'd DNA was subsequently analysed on an Illumina Genome Analyzer. Library preparation, cluster generation and sequencing were performed according to the manufacturer's instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the signal distribution along the complete sequence of human chromosome 3, a zoomin to a 10 Mb region and a further zoomin to a 1.5 Mb region. </small></p>
</div>
</div>
<p>Diagenode&rsquo;s highly validated antibodies:</p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
<li>Sample sizes available</li>
<li>100% satisfaction guarantee</li>
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			'name' => 'All antibodies',
			'description' => '<p><span style="font-weight: 400;">All Diagenode&rsquo;s antibodies are listed below. Please, use our Quick search field to find the antibody of interest by target name, application, purity.</span></p>
<p><span style="font-weight: 400;">Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
<li>Sample sizes available</li>
<li>100% satisfaction guarantee</li>
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			'meta_description' => 'Diagenode Offers Strict quality standards with Rigorous QC and validated Antibodies. Classified based on level of validation for flexibility of Application. Comprehensive selection of histone and non-histone Antibodies',
			'meta_title' => 'Diagenode's selection of Antibodies is exclusively dedicated for Epigenetic Research | Diagenode',
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			'name' => 'Histone antibodies',
			'description' => '<p>Histones are the main protein components of chromatin involved in the compaction of DNA into nucleosomes, the basic units of chromatin. A <strong>nucleosome</strong> consists of one pair of each of the core histones (<strong>H2A</strong>, <strong>H2B</strong>, <strong>H3</strong> and <strong>H4</strong>) forming an octameric structure wrapped by 146 base pairs of DNA. The different nucleosomes are linked by the linker histone<strong> H1, </strong>allowing for further condensation of chromatin.</p>
<p>The core histones have a globular structure with large unstructured N-terminal tails protruding from the nucleosome.&nbsp; They can undergo to multiple post-translational modifications (PTM), mainly at the N-terminal tails. These <strong>post-translational modifications </strong>include&nbsp; methylation, acetylation, phosphorylation, ubiquitinylation, citrullination, sumoylation, deamination and crotonylation.&nbsp; The most well characterized PTMs are <strong>methylation,</strong> <strong>acetylation and phosphorylation</strong>. Histone methylation occurs mainly on lysine (K) residues, which can be mono-, di- or tri-methylated, and on arginines (R), which can be mono-methylated and symmetrically or asymmetrically di-methylated. Histone acetylation occurs on lysines and histone phosphorylation mainly on serines (S), threonines (T) and tyrosines (Y).</p>
<p>The PTMs of the different residues are involved in numerous processes such as DNA repair, DNA replication and chromosome condensation. They influence the chromatin organization and can be positively or negatively associated with gene expression. Trimethylation of H3K4, H3K36 and H3K79, and lysine acetylation generally result in an open chromatin configuration (figure below) and are therefore associated with <strong>euchromatin</strong> and gene activation. Trimethylation of H3K9, K3K27 and H4K20, on the other hand, is enriched in <strong>heterochromatin </strong>and associated with gene silencing. The combination of different histone modifications is called the "<strong>histone code</strong>&rdquo;, analogous to the genetic code.</p>
<p><img src="https://www.diagenode.com/img/categories/antibodies/histone-marks-illustration.png" /></p>
<p>Diagenode is proud to offer a large range of antibodies against histones and histone modifications. Our&nbsp; antibodies are highly specific and have been validated in many applications, including <strong>ChIP</strong> and <strong>ChIP-seq</strong>.</p>
<p>Diagenode&rsquo;s collection includes antibodies recognizing:</p>
<ul>
<li><strong>Histone H1 variants</strong></li>
<li><strong>Histone H2A, H2A variants and histone H2A</strong> <strong>modifications</strong> (serine phosphorylation, lysine acetylation, lysine ubiquitinylation)</li>
<li><strong>Histone H2B and H2B</strong> <strong>modifications </strong>(serine phosphorylation, lysine acetylation)</li>
<li><strong>Histone H3 and H3 modifications </strong>(lysine methylation (mono-, di- and tri-methylated), lysine acetylation, serine phosphorylation, threonine phosphorylation, arginine methylation (mono-methylated, symmetrically and asymmetrically di-methylated))</li>
<li><strong>Histone H4 and H4 modifications (</strong>lysine methylation (mono-, di- and tri-methylated), lysine acetylation, arginine methylation (mono-methylated and symmetrically di-methylated), serine phosphorylation )</li>
</ul>
<p><span style="font-weight: 400;"><strong>HDAC's HAT's, HMT's and other</strong> <strong>enzymes</strong> which modify histones can be found in the category <a href="../categories/chromatin-modifying-proteins-histone-transferase">Histone modifying enzymes</a><br /></span></p>
<p><span style="font-weight: 400;"> Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Highly sensitive and specific</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost-effective (requires less antibody per reaction)</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Batch-specific data is available on the website</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert technical support</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sample sizes available</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100% satisfaction guarantee</span></li>
</ul>',
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			'meta_description' => 'Polyclonal and Monoclonal Antibodies against Histones and their modifications validated for many applications, including Chromatin Immunoprecipitation (ChIP) and ChIP-Sequencing (ChIP-seq)',
			'meta_title' => 'Histone and Modified Histone Antibodies | Diagenode',
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			'name' => 'ChIP-grade antibodies',
			'description' => '<div class="row">
<div class="small-12 columns"><center></center>
<p><br />Chromatin immunoprecipitation (<b>ChIP</b>) is a technique to study the associations of proteins with the specific genomic regions in intact cells. One of the most important steps of this protocol is the immunoprecipitation of targeted protein using the antibody specifically recognizing it. The quality of antibodies used in ChIP is essential for the success of the experiment. Diagenode offers extensively validated ChIP-grade antibodies, confirmed for their specificity, and high level of performance in ChIP. Each batch is validated, and batch-specific data are available on the website.</p>
<p></p>
</div>
</div>
<p><strong>ChIP results</strong> obtained with the antibody directed against H3K4me3 (Cat. No. <a href="../p/h3k4me3-polyclonal-antibody-premium-50-ug-50-ul">C15410003</a>).&nbsp;</p>
<div class="row">
<div class="small-12 medium-6 large-6 columns"><img src="https://www.diagenode.com/img/product/antibodies/C15410003-fig1-ChIP.jpg" alt="" width="400" height="315" />&nbsp;</div>
<div class="small-12 medium-6 large-6 columns">
<p></p>
<p></p>
<p></p>
</div>
</div>
<p></p>
<p>Our aim at Diagenode is to offer the largest collection of highly specific <strong>ChIP-grade antibodies</strong>. We add new antibodies monthly. Find your ChIP-grade antibody in the list below and check more information about tested applications, extensive validation data, and product information.</p>',
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			'meta_description' => 'Diagenode Offers Extensively Validated ChIP-Grade Antibodies, Confirmed for their Specificity, and high level of Performance in Chromatin Immunoprecipitation ChIP',
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			'name' => 'Sample size antibodies',
			'description' => '<h1><strong>Validated epigenetics antibodies</strong>&nbsp;&ndash; care for a sample?<br />&nbsp;</h1>
<p>Diagenode has partnered with leading epigenetics experts and numerous epigenetics consortiums to bring to you a validated and comprehensive collection of epigenetic antibodies. As an expert in epigenetics, we are committed to offering highly-specific antibodies validated for ChIP/ChIP-seq and many other applications. All batch-specific validation data is available on our website.<br /><a href="../categories/antibodies">Read about our expertise in antibody production</a>.</p>
<ul>
<li><strong>Focused</strong> -&nbsp;Diagenode's selection of antibodies is exclusively dedicated for epigenetic research. <a title="See the full collection." href="../categories/all-antibodies">See the full collection.</a></li>
<li><strong>Strict quality standards</strong>&nbsp;with rigorous QC and validation</li>
<li><strong>Classified</strong>&nbsp;based on level of validation for flexibility of application</li>
</ul>
<p>Existing sample sizes are listed below. We will soon expand our collection. &nbsp;Are you looking for a sample size of another antibody? Just <a href="mailto:agnieszka.zelisko@diagenode.com?Subject=Sample%20Size%20Request" target="_top">Contact us</a>.</p>',
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			'description' => '<p style="text-align: justify;"><span>Epigenetic research tools have evolved over time from endpoint PCR to qPCR to the analyses of large sets of genome-wide sequencing data. ChIP sequencing (ChIP-seq) has now become the gold standard method for chromatin studies, given the accuracy and coverage scale of the approach over other methods. Successful ChIP-seq, however, requires a higher level of experimental accuracy and consistency in all steps of ChIP than ever before. Particularly crucial is the quality of ChIP antibodies. </span></p>',
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			'id' => '38',
			'name' => 'Epigenetic Antibodies Brochure',
			'description' => '<p>More than in any other immuoprecipitation assays, quality antibodies are critical tools in many epigenetics experiments. Since 10 years, Diagenode has developed the most stringent quality production available on the market for antibodies exclusively focused on epigenetic uses. All our antibodies have been qualified to work in epigenetic applications.</p>',
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			'name' => 'Datasheet H3K79me2 C15410051',
			'description' => '<p>Polyclonal antibody raised in rabbit against the region of histone H3 containing the dimethylated lysine 79 (H3K79me2), using a KLH-conjugated synthetic peptide.</p>',
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			'name' => 'DOT1L O-GlcNAcylation promotes its protein stability andMLL-fusion leukemia cell proliferation.',
			'authors' => 'Song Tanjing et al.',
			'description' => '<p>Histone lysine methylation functions at the interface of the extracellular environment and intracellular gene expression. DOT1L is a versatile histone H3K79 methyltransferase with a prominent role in MLL-fusion leukemia, yet little is known about how DOT1L responds to extracellular stimuli. Here, we report that DOT1L protein stability is regulated by the extracellular glucose level through the hexosamine biosynthetic pathway (HBP). Mechanistically, DOT1L is O-GlcNAcylated at evolutionarily conserved S1511 in its C terminus. We identify UBE3C as a DOT1L E3 ubiquitin ligase promoting DOT1L degradation whose interaction with DOT1L is susceptible to O-GlcNAcylation. Consequently, HBP enhances H3K79 methylation and expression of critical DOT1L target genes such as HOXA9/MEIS1, promoting cell proliferation in MLL-fusion leukemia. Inhibiting HBP or O-GlcNAc transferase (OGT) increases cellular sensitivity to DOT1L inhibitor. Overall, our work uncovers O-GlcNAcylation and UBE3C as critical determinants of DOT1L protein abundance, revealing a mechanism by which glucose metabolism affects malignancy progression through histone methylation.</p>',
			'date' => '2021-09-01',
			'pmid' => 'https://www.ncbi.nlm.nih.gov/pubmed/34551297',
			'doi' => '10.1016/j.celrep.2021.109739',
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			'id' => '4152',
			'name' => 'Environmental enrichment induces epigenomic and genome organization changesrelevant for cognitive function',
			'authors' => 'Espeso-Gil, S. et al.',
			'description' => '<p>In early development, the environment triggers mnemonic epigenomic programs resulting in memory and learning experiences to confer cognitive phenotypes into adulthood. To uncover how environmental stimulation impacts the epigenome and genome organization, we used the paradigm of environmental enrichment (EE) in young mice constantly receiving novel stimulation. We profiled epigenome and chromatin architecture in whole cortex and sorted neurons by deep-sequencing techniques. Specifically, we studied chromatin accessibility, gene and protein regulation, and 3D genome conformation, combined with predicted enhancer and chromatin interactions. We identified increased chromatin accessibility, transcription factor binding including CTCF-mediated insulation, differential occupancy of H3K36me3 and H3K79me2, and changes in transcriptional programs required for neuronal development. EE stimuli led to local genome re-organization by inducing increased contacts between chromosomes 7 and 17 (inter-chromosomal). Our findings support the notion that EE-induced learning and memory processes are directly associated with the epigenome and genome organization.</p>',
			'date' => '2021-02-01',
			'pmid' => 'https://doi.org/10.1101%2F2021.01.31.428988',
			'doi' => '10.1101/2021.01.31.428988',
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			'name' => 'DOT1L Activity Promotes Proliferation and Protects Cortical Neural Stem Cells from Activation of ATF4-DDIT3-Mediated ER Stress In Vitro',
			'authors' => 'Roidl D, Hellbach N, Bovio PP, Villarreal A, Heidrich S, Nestel S, Grüning BA, Boenisch U, Vogel T',
			'description' => '<p>Growing evidence suggests that the lysine methyltransferase DOT1L/KMT4 has important roles in proliferation, survival, and differentiation of stem cells in development and in disease. We investigated the function of DOT1L in neural stem cells (NSCs) of the cerebral cortex. The pharmacological inhibition and shRNA-mediated knockdown of DOT1L impaired proliferation and survival of NSCs. DOT1L inhibition specifically induced genes that are activated during the unfolded protein response (UPR) in the endoplasmic reticulum (ER). Chromatin-immunoprecipitation analyses revealed that two genes encoding for central molecules involved in the ER stress response, Atf4 and Ddit3 (Chop), are marked with H3K79 methylation. Interference with DOT1L activity resulted in transcriptional activation of both genes accompanied by decreased levels of H3K79 dimethylation. Although downstream effectors of the UPR, such as Ppp1r15a/Gadd34, Atf3, and Tnfrsf10b/Dr5 were also transcriptionally activated, this most likely occurred in response to increased ATF4 expression rather than as a direct consequence of altered H3K79 methylation. While stem cells are particularly vulnerable to stress, the UPR and ER stress have not been extensively studied in these cells yet. Since activation of the ER stress program is also implicated in directing stem cells into differentiation or to maintain a proliferative status, the UPR must be tightly regulated. Our and published data suggest that histone modifications, including H3K4me3, H3K14ac, and H3K79me2, are implicated in the control of transcriptional activation of ER stress genes. In this context, the loss of H3K79me2 at the Atf4- and Ddit3-promoters appears to mark a point-of-no-return that activates the death program in NSCs.</p>',
			'date' => '2016-01-01',
			'pmid' => 'http://www.ncbi.nlm.nih.gov/pubmed/26299268',
			'doi' => '10.1002/stem.2187',
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			'id' => '455',
			'name' => 'Anticheckpoint pathways at telomeres in yeast',
			'authors' => 'Ribeyre Cyril, Shore David',
			'description' => 'Telomeres hide (or ‘cap’) chromosome ends from DNA-damage surveillance mechanisms that arrest the cell cycle and promote repair, but the checkpoint status of telomeres is not well understood. Here we characterize the response in Saccharomyces cerevisiae to DNA double-strand breaks (DSBs) flanked by varying amounts of telomeric repeat sequences (TG1–3). We show that even short arrays of TG1–3 repeats do not induce G2/M arrest. Both Rif1 1 and Rif2 are required for capping at short, rapidly elongating ends, yet are largely dispensable for protection of longer telomeric arrays. Rif1 1 and Rif2 act through parallel pathways to block accumulation of both RPA and Rad24, activators of checkpoint kinase Mec1 1 (ATR). Finally, we show that Rif function is correlated with an ‘anticheckpoint’ effect, in which checkpoint recovery at an adjacent unprotected end is stimulated, and we provide insight into the molecular mechanism of this phenomenon.',
			'date' => '2012-02-12',
			'pmid' => 'http://www.ncbi.nlm.nih.gov/pubmed/22343724',
			'doi' => '',
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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	'modified' => '2015-07-24 15:38:57',
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include - APP/View/Products/view.ctp, line 755
View::_evaluate() - CORE/Cake/View/View.php, line 971
View::_render() - CORE/Cake/View/View.php, line 933
View::render() - CORE/Cake/View/View.php, line 473
Controller::render() - CORE/Cake/Controller/Controller.php, line 963
ProductsController::slug() - APP/Controller/ProductsController.php, line 1052
ReflectionMethod::invokeArgs() - [internal], line ??
Controller::invokeAction() - CORE/Cake/Controller/Controller.php, line 491
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 193
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 118

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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<thead>
<tr>
<th>Applications</th>
<th>Suggested dilution</th>
<th>References</th>
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</thead>
<tbody>
<tr>
<td>ChIP/ChIP-seq <sup>*</sup> </td>
<td>1-2 μg/ChIP</td>
<td>Fig 1, 2</td>
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<tr>
<td>ELISA</td>
<td>1:500</td>
<td>Fig 3</td>
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<tr>
<td>Dot Blotting</td>
<td>1:5,000</td>
<td>Fig 4</td>
</tr>
<tr>
<td>Western Blotting</td>
<td>1:200</td>
<td>Fig 5</td>
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<small><sup>*</sup> Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.</small>',
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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			'meta_description' => 'H3K79me2 (Histone H3 dimethylated at lysine 79) Polyclonal Antibody validated  in ChIP-seq, ChIP-qPCR, ELISA, WB, DB and IF. Batch-specific data available on the website. ',
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<p>Learn more about: <a href="https://www.diagenode.com/applications/western-blot">Loading control, MW marker visualization</a><em>. <br /></em></p>
<p><em></em>Check our selection of antibodies validated in Western blot.</p>',
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<p>Diagenode offers huge selection of highly sensitive antibodies validated in IF.</p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15200229-IF.jpg" alt="" height="245" width="256" /></p>
<p><sup><strong>Immunofluorescence using the Diagenode monoclonal antibody directed against CRISPR/Cas9</strong></sup></p>
<p><sup>HeLa cells transfected with a Cas9 expression vector (left) or untransfected cells (right) were fixed in methanol at -20&deg;C, permeabilized with acetone at -20&deg;C and blocked with PBS containing 2% BSA. The cells were stained with the Cas9 C-terminal antibody (Cat. No. C15200229) diluted 1:400, followed by incubation with an anti-mouse secondary antibody coupled to AF488. The bottom images show counter-staining of the nuclei with Hoechst 33342.</sup></p>
<h5><sup>Check our selection of antibodies validated in IF.</sup></h5>',
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			'meta_description' => 'Diagenode offers a wide range of antibodies and technical support for ChIP-qPCR applications',
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			'description' => '<p><b>Unparalleled ChIP-Seq results with the most rigorously validated antibodies</b></p>
<p><span style="font-weight: 400;">Diagenode provides leading solutions for epigenetic research. Because ChIP-seq is a widely-used technique, we validate our antibodies in ChIP and ChIP-seq experiments (in addition to conventional methods like Western blot, Dot blot, ELISA, and immunofluorescence) to provide the highest quality antibody. We standardize our validation and production to guarantee high product quality without technical bias. Diagenode guarantees ChIP-seq grade antibody performance under our suggested conditions.</span></p>
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<p><strong>ChIP-seq profile</strong> of active (H3K4me3 and H3K36me3) and inactive (H3K27me3) marks using Diagenode antibodies.</p>
<img src="https://www.diagenode.com/img/categories/antibodies/chip-seq-grade-antibodies.png" /></div>
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<p><small> ChIP was performed on sheared chromatin from 100,000 K562 cells using iDeal ChIP-seq kit for Histones (cat. No. C01010051) with 1 &micro;g of the Diagenode antibodies against H3K27me3 (cat. No. C15410195) and H3K4me3 (cat. No. C15410003), and 0.5 &micro;g of the antibody against H3K36me3 (cat. No. C15410192). The IP'd DNA was subsequently analysed on an Illumina Genome Analyzer. Library preparation, cluster generation and sequencing were performed according to the manufacturer's instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the signal distribution along the complete sequence of human chromosome 3, a zoomin to a 10 Mb region and a further zoomin to a 1.5 Mb region. </small></p>
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<p>Diagenode&rsquo;s highly validated antibodies:</p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
<li>Sample sizes available</li>
<li>100% satisfaction guarantee</li>
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			'description' => '<p><span style="font-weight: 400;">All Diagenode&rsquo;s antibodies are listed below. Please, use our Quick search field to find the antibody of interest by target name, application, purity.</span></p>
<p><span style="font-weight: 400;">Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
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<li>100% satisfaction guarantee</li>
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			'meta_title' => 'Diagenode's selection of Antibodies is exclusively dedicated for Epigenetic Research | Diagenode',
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			'name' => 'Histone antibodies',
			'description' => '<p>Histones are the main protein components of chromatin involved in the compaction of DNA into nucleosomes, the basic units of chromatin. A <strong>nucleosome</strong> consists of one pair of each of the core histones (<strong>H2A</strong>, <strong>H2B</strong>, <strong>H3</strong> and <strong>H4</strong>) forming an octameric structure wrapped by 146 base pairs of DNA. The different nucleosomes are linked by the linker histone<strong> H1, </strong>allowing for further condensation of chromatin.</p>
<p>The core histones have a globular structure with large unstructured N-terminal tails protruding from the nucleosome.&nbsp; They can undergo to multiple post-translational modifications (PTM), mainly at the N-terminal tails. These <strong>post-translational modifications </strong>include&nbsp; methylation, acetylation, phosphorylation, ubiquitinylation, citrullination, sumoylation, deamination and crotonylation.&nbsp; The most well characterized PTMs are <strong>methylation,</strong> <strong>acetylation and phosphorylation</strong>. Histone methylation occurs mainly on lysine (K) residues, which can be mono-, di- or tri-methylated, and on arginines (R), which can be mono-methylated and symmetrically or asymmetrically di-methylated. Histone acetylation occurs on lysines and histone phosphorylation mainly on serines (S), threonines (T) and tyrosines (Y).</p>
<p>The PTMs of the different residues are involved in numerous processes such as DNA repair, DNA replication and chromosome condensation. They influence the chromatin organization and can be positively or negatively associated with gene expression. Trimethylation of H3K4, H3K36 and H3K79, and lysine acetylation generally result in an open chromatin configuration (figure below) and are therefore associated with <strong>euchromatin</strong> and gene activation. Trimethylation of H3K9, K3K27 and H4K20, on the other hand, is enriched in <strong>heterochromatin </strong>and associated with gene silencing. The combination of different histone modifications is called the "<strong>histone code</strong>&rdquo;, analogous to the genetic code.</p>
<p><img src="https://www.diagenode.com/img/categories/antibodies/histone-marks-illustration.png" /></p>
<p>Diagenode is proud to offer a large range of antibodies against histones and histone modifications. Our&nbsp; antibodies are highly specific and have been validated in many applications, including <strong>ChIP</strong> and <strong>ChIP-seq</strong>.</p>
<p>Diagenode&rsquo;s collection includes antibodies recognizing:</p>
<ul>
<li><strong>Histone H1 variants</strong></li>
<li><strong>Histone H2A, H2A variants and histone H2A</strong> <strong>modifications</strong> (serine phosphorylation, lysine acetylation, lysine ubiquitinylation)</li>
<li><strong>Histone H2B and H2B</strong> <strong>modifications </strong>(serine phosphorylation, lysine acetylation)</li>
<li><strong>Histone H3 and H3 modifications </strong>(lysine methylation (mono-, di- and tri-methylated), lysine acetylation, serine phosphorylation, threonine phosphorylation, arginine methylation (mono-methylated, symmetrically and asymmetrically di-methylated))</li>
<li><strong>Histone H4 and H4 modifications (</strong>lysine methylation (mono-, di- and tri-methylated), lysine acetylation, arginine methylation (mono-methylated and symmetrically di-methylated), serine phosphorylation )</li>
</ul>
<p><span style="font-weight: 400;"><strong>HDAC's HAT's, HMT's and other</strong> <strong>enzymes</strong> which modify histones can be found in the category <a href="../categories/chromatin-modifying-proteins-histone-transferase">Histone modifying enzymes</a><br /></span></p>
<p><span style="font-weight: 400;"> Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Highly sensitive and specific</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost-effective (requires less antibody per reaction)</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Batch-specific data is available on the website</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert technical support</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sample sizes available</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100% satisfaction guarantee</span></li>
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<div class="small-12 columns"><center></center>
<p><br />Chromatin immunoprecipitation (<b>ChIP</b>) is a technique to study the associations of proteins with the specific genomic regions in intact cells. One of the most important steps of this protocol is the immunoprecipitation of targeted protein using the antibody specifically recognizing it. The quality of antibodies used in ChIP is essential for the success of the experiment. Diagenode offers extensively validated ChIP-grade antibodies, confirmed for their specificity, and high level of performance in ChIP. Each batch is validated, and batch-specific data are available on the website.</p>
<p></p>
</div>
</div>
<p><strong>ChIP results</strong> obtained with the antibody directed against H3K4me3 (Cat. No. <a href="../p/h3k4me3-polyclonal-antibody-premium-50-ug-50-ul">C15410003</a>).&nbsp;</p>
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<div class="small-12 medium-6 large-6 columns"><img src="https://www.diagenode.com/img/product/antibodies/C15410003-fig1-ChIP.jpg" alt="" width="400" height="315" />&nbsp;</div>
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<p></p>
<p></p>
<p></p>
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<p></p>
<p>Our aim at Diagenode is to offer the largest collection of highly specific <strong>ChIP-grade antibodies</strong>. We add new antibodies monthly. Find your ChIP-grade antibody in the list below and check more information about tested applications, extensive validation data, and product information.</p>',
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			'description' => '<h1><strong>Validated epigenetics antibodies</strong>&nbsp;&ndash; care for a sample?<br />&nbsp;</h1>
<p>Diagenode has partnered with leading epigenetics experts and numerous epigenetics consortiums to bring to you a validated and comprehensive collection of epigenetic antibodies. As an expert in epigenetics, we are committed to offering highly-specific antibodies validated for ChIP/ChIP-seq and many other applications. All batch-specific validation data is available on our website.<br /><a href="../categories/antibodies">Read about our expertise in antibody production</a>.</p>
<ul>
<li><strong>Focused</strong> -&nbsp;Diagenode's selection of antibodies is exclusively dedicated for epigenetic research. <a title="See the full collection." href="../categories/all-antibodies">See the full collection.</a></li>
<li><strong>Strict quality standards</strong>&nbsp;with rigorous QC and validation</li>
<li><strong>Classified</strong>&nbsp;based on level of validation for flexibility of application</li>
</ul>
<p>Existing sample sizes are listed below. We will soon expand our collection. &nbsp;Are you looking for a sample size of another antibody? Just <a href="mailto:agnieszka.zelisko@diagenode.com?Subject=Sample%20Size%20Request" target="_top">Contact us</a>.</p>',
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			'description' => '<p style="text-align: justify;"><span>Epigenetic research tools have evolved over time from endpoint PCR to qPCR to the analyses of large sets of genome-wide sequencing data. ChIP sequencing (ChIP-seq) has now become the gold standard method for chromatin studies, given the accuracy and coverage scale of the approach over other methods. Successful ChIP-seq, however, requires a higher level of experimental accuracy and consistency in all steps of ChIP than ever before. Particularly crucial is the quality of ChIP antibodies. </span></p>',
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			'description' => '<p>Histone lysine methylation functions at the interface of the extracellular environment and intracellular gene expression. DOT1L is a versatile histone H3K79 methyltransferase with a prominent role in MLL-fusion leukemia, yet little is known about how DOT1L responds to extracellular stimuli. Here, we report that DOT1L protein stability is regulated by the extracellular glucose level through the hexosamine biosynthetic pathway (HBP). Mechanistically, DOT1L is O-GlcNAcylated at evolutionarily conserved S1511 in its C terminus. We identify UBE3C as a DOT1L E3 ubiquitin ligase promoting DOT1L degradation whose interaction with DOT1L is susceptible to O-GlcNAcylation. Consequently, HBP enhances H3K79 methylation and expression of critical DOT1L target genes such as HOXA9/MEIS1, promoting cell proliferation in MLL-fusion leukemia. Inhibiting HBP or O-GlcNAc transferase (OGT) increases cellular sensitivity to DOT1L inhibitor. Overall, our work uncovers O-GlcNAcylation and UBE3C as critical determinants of DOT1L protein abundance, revealing a mechanism by which glucose metabolism affects malignancy progression through histone methylation.</p>',
			'date' => '2021-09-01',
			'pmid' => 'https://www.ncbi.nlm.nih.gov/pubmed/34551297',
			'doi' => '10.1016/j.celrep.2021.109739',
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			'description' => '<p>In early development, the environment triggers mnemonic epigenomic programs resulting in memory and learning experiences to confer cognitive phenotypes into adulthood. To uncover how environmental stimulation impacts the epigenome and genome organization, we used the paradigm of environmental enrichment (EE) in young mice constantly receiving novel stimulation. We profiled epigenome and chromatin architecture in whole cortex and sorted neurons by deep-sequencing techniques. Specifically, we studied chromatin accessibility, gene and protein regulation, and 3D genome conformation, combined with predicted enhancer and chromatin interactions. We identified increased chromatin accessibility, transcription factor binding including CTCF-mediated insulation, differential occupancy of H3K36me3 and H3K79me2, and changes in transcriptional programs required for neuronal development. EE stimuli led to local genome re-organization by inducing increased contacts between chromosomes 7 and 17 (inter-chromosomal). Our findings support the notion that EE-induced learning and memory processes are directly associated with the epigenome and genome organization.</p>',
			'date' => '2021-02-01',
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			'authors' => 'Roidl D, Hellbach N, Bovio PP, Villarreal A, Heidrich S, Nestel S, Grüning BA, Boenisch U, Vogel T',
			'description' => '<p>Growing evidence suggests that the lysine methyltransferase DOT1L/KMT4 has important roles in proliferation, survival, and differentiation of stem cells in development and in disease. We investigated the function of DOT1L in neural stem cells (NSCs) of the cerebral cortex. The pharmacological inhibition and shRNA-mediated knockdown of DOT1L impaired proliferation and survival of NSCs. DOT1L inhibition specifically induced genes that are activated during the unfolded protein response (UPR) in the endoplasmic reticulum (ER). Chromatin-immunoprecipitation analyses revealed that two genes encoding for central molecules involved in the ER stress response, Atf4 and Ddit3 (Chop), are marked with H3K79 methylation. Interference with DOT1L activity resulted in transcriptional activation of both genes accompanied by decreased levels of H3K79 dimethylation. Although downstream effectors of the UPR, such as Ppp1r15a/Gadd34, Atf3, and Tnfrsf10b/Dr5 were also transcriptionally activated, this most likely occurred in response to increased ATF4 expression rather than as a direct consequence of altered H3K79 methylation. While stem cells are particularly vulnerable to stress, the UPR and ER stress have not been extensively studied in these cells yet. Since activation of the ER stress program is also implicated in directing stem cells into differentiation or to maintain a proliferative status, the UPR must be tightly regulated. Our and published data suggest that histone modifications, including H3K4me3, H3K14ac, and H3K79me2, are implicated in the control of transcriptional activation of ER stress genes. In this context, the loss of H3K79me2 at the Atf4- and Ddit3-promoters appears to mark a point-of-no-return that activates the death program in NSCs.</p>',
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		'name' => 'H3K79me2 Antibody',
		'description' => '<p><span>Polyclonal antibody raised in rabbit against the region of histone <strong>H3 containing the dimethylated lysine 79 (H3K79me2)</strong>, using a KLH-conjugated synthetic peptide.</span></p>',
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<thead>
<tr>
<th>Applications</th>
<th>Suggested dilution</th>
<th>References</th>
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<td>ChIP/ChIP-seq <sup>*</sup> </td>
<td>1-2 μg/ChIP</td>
<td>Fig 1, 2</td>
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<tr>
<td>ELISA</td>
<td>1:500</td>
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<tr>
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<td>1:5,000</td>
<td>Fig 4</td>
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<tr>
<td>Western Blotting</td>
<td>1:200</td>
<td>Fig 5</td>
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<small><sup>*</sup> Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.</small>',
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
</div>
</div>',
		'label2' => 'Target Description',
		'info2' => '<p>Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called &ldquo;histone code&rdquo;. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.</p>',
		'label3' => '',
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		'format' => '10 µg',
		'catalog_number' => 'C15410051-10',
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		'sf_code' => 'C15410051-D001-000582',
		'type' => 'RFR',
		'search_order' => '03-Antibody',
		'price_EUR' => '105',
		'price_USD' => '115',
		'price_GBP' => '100',
		'price_JPY' => '16450',
		'price_CNY' => '0',
		'price_AUD' => '288',
		'country' => 'ALL',
		'except_countries' => 'None',
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		'slug' => 'h3k79me2-polyclonal-antibody-classic-10-ug',
		'meta_title' => 'H3K79me2 Antibody - ChIP-seq Grade (C15410051-10) | Diagenode',
		'meta_keywords' => '',
		'meta_description' => '',
		'modified' => '2021-12-23 11:33:40',
		'created' => '2020-07-01 10:35:25',
		'locale' => 'jpn'
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	'Antibody' => array(
		'host' => '*****',
		'id' => '76',
		'name' => 'H3K79me2 polyclonal antibody',
		'description' => 'Histones are the main constituents of the protein part of chromosomes of eukaryotic cells. They are rich in the amino acids arginine and lysine and have been greatly conserved during evolution. Histones pack the DNA into tight masses of chromatin. Two core histones of each class H2A, H2B, H3 and H4 assemble and are wrapped by 146 base pairs of DNA to form one octameric nucleosome. Histone tails undergo numerous post-translational modifications, which either directly or indirectly alter chromatin structure to facilitate transcriptional activation or repression or other nuclear processes. In addition to the genetic code, combinations of the different histone modifications reveal the so-called “histone code”. Histone methylation and demethylation is dynamically regulated by respectively histone methyl transferases and histone demethylases.',
		'clonality' => '',
		'isotype' => '',
		'lot' => 'A1193D',
		'concentration' => '1.1 &micro;g/&micro;l',
		'reactivity' => 'Human',
		'type' => 'Polyclonal',
		'purity' => 'Affinity purified',
		'classification' => 'Classic',
		'application_table' => '<table>
<thead>
<tr>
<th>Applications</th>
<th>Suggested dilution</th>
<th>References</th>
</tr>
</thead>
<tbody>
<tr>
<td>ChIP/ChIP-seq <sup>*</sup> </td>
<td>1-2 μg/ChIP</td>
<td>Fig 1, 2</td>
</tr>
<tr>
<td>ELISA</td>
<td>1:500</td>
<td>Fig 3</td>
</tr>
<tr>
<td>Dot Blotting</td>
<td>1:5,000</td>
<td>Fig 4</td>
</tr>
<tr>
<td>Western Blotting</td>
<td>1:200</td>
<td>Fig 5</td>
</tr>
</tbody>
</table>

<small><sup>*</sup> Please note that the optimal antibody amount per IP should be determined by the end-user. We recommend testing 1-5 μg per IP.</small>',
		'storage_conditions' => '',
		'storage_buffer' => '',
		'precautions' => 'This product is for research use only. Not for use in diagnostic or therapeutic procedures.',
		'uniprot_acc' => '',
		'slug' => '',
		'meta_keywords' => '',
		'meta_description' => '',
		'modified' => '2016-08-03 10:50:39',
		'created' => '0000-00-00 00:00:00',
		'select_label' => '76 - H3K79me2 polyclonal antibody (A1193D - 1.1 &micro;g/&micro;l - Human - Affinity purified - Rabbit)'
	),
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	'Group' => array(
		'Group' => array(
			'id' => '285',
			'name' => 'C15410051',
			'product_id' => '2212',
			'modified' => '2020-07-01 10:35:54',
			'created' => '2020-07-01 10:35:54'
		),
		'Master' => array(
			'id' => '2212',
			'antibody_id' => '76',
			'name' => 'H3K79me2 Antibody',
			'description' => '<p><span>Polyclonal antibody raised in rabbit against the region of histone <strong>H3 containing the dimethylated lysine 79 (H3K79me2)</strong>, using a KLH-conjugated synthetic peptide.</span></p>',
			'label1' => 'Validation Data',
			'info1' => '<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
</div>
</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
</div>
<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
</div>
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<p>Learn more about: <a href="https://www.diagenode.com/applications/western-blot">Loading control, MW marker visualization</a><em>. <br /></em></p>
<p><em></em>Check our selection of antibodies validated in Western blot.</p>',
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<p>Diagenode offers huge selection of highly sensitive antibodies validated in IF.</p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15200229-IF.jpg" alt="" height="245" width="256" /></p>
<p><sup><strong>Immunofluorescence using the Diagenode monoclonal antibody directed against CRISPR/Cas9</strong></sup></p>
<p><sup>HeLa cells transfected with a Cas9 expression vector (left) or untransfected cells (right) were fixed in methanol at -20&deg;C, permeabilized with acetone at -20&deg;C and blocked with PBS containing 2% BSA. The cells were stained with the Cas9 C-terminal antibody (Cat. No. C15200229) diluted 1:400, followed by incubation with an anti-mouse secondary antibody coupled to AF488. The bottom images show counter-staining of the nuclei with Hoechst 33342.</sup></p>
<h5><sup>Check our selection of antibodies validated in IF.</sup></h5>',
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<p><span style="font-weight: 400;">Diagenode provides leading solutions for epigenetic research. Because ChIP-seq is a widely-used technique, we validate our antibodies in ChIP and ChIP-seq experiments (in addition to conventional methods like Western blot, Dot blot, ELISA, and immunofluorescence) to provide the highest quality antibody. We standardize our validation and production to guarantee high product quality without technical bias. Diagenode guarantees ChIP-seq grade antibody performance under our suggested conditions.</span></p>
<div class="row">
<div class="small-12 medium-9 large-9 columns">
<p><strong>ChIP-seq profile</strong> of active (H3K4me3 and H3K36me3) and inactive (H3K27me3) marks using Diagenode antibodies.</p>
<img src="https://www.diagenode.com/img/categories/antibodies/chip-seq-grade-antibodies.png" /></div>
<div class="small-12 medium-3 large-3 columns">
<p><small> ChIP was performed on sheared chromatin from 100,000 K562 cells using iDeal ChIP-seq kit for Histones (cat. No. C01010051) with 1 &micro;g of the Diagenode antibodies against H3K27me3 (cat. No. C15410195) and H3K4me3 (cat. No. C15410003), and 0.5 &micro;g of the antibody against H3K36me3 (cat. No. C15410192). The IP'd DNA was subsequently analysed on an Illumina Genome Analyzer. Library preparation, cluster generation and sequencing were performed according to the manufacturer's instructions. The 36 bp tags were aligned to the human genome using the ELAND algorithm. The figure shows the signal distribution along the complete sequence of human chromosome 3, a zoomin to a 10 Mb region and a further zoomin to a 1.5 Mb region. </small></p>
</div>
</div>
<p>Diagenode&rsquo;s highly validated antibodies:</p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
<li>Sample sizes available</li>
<li>100% satisfaction guarantee</li>
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			'description' => '<p><span style="font-weight: 400;">All Diagenode&rsquo;s antibodies are listed below. Please, use our Quick search field to find the antibody of interest by target name, application, purity.</span></p>
<p><span style="font-weight: 400;">Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li>Highly sensitive and specific</li>
<li>Cost-effective (requires less antibody per reaction)</li>
<li>Batch-specific data is available on the website</li>
<li>Expert technical support</li>
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			'name' => 'Histone antibodies',
			'description' => '<p>Histones are the main protein components of chromatin involved in the compaction of DNA into nucleosomes, the basic units of chromatin. A <strong>nucleosome</strong> consists of one pair of each of the core histones (<strong>H2A</strong>, <strong>H2B</strong>, <strong>H3</strong> and <strong>H4</strong>) forming an octameric structure wrapped by 146 base pairs of DNA. The different nucleosomes are linked by the linker histone<strong> H1, </strong>allowing for further condensation of chromatin.</p>
<p>The core histones have a globular structure with large unstructured N-terminal tails protruding from the nucleosome.&nbsp; They can undergo to multiple post-translational modifications (PTM), mainly at the N-terminal tails. These <strong>post-translational modifications </strong>include&nbsp; methylation, acetylation, phosphorylation, ubiquitinylation, citrullination, sumoylation, deamination and crotonylation.&nbsp; The most well characterized PTMs are <strong>methylation,</strong> <strong>acetylation and phosphorylation</strong>. Histone methylation occurs mainly on lysine (K) residues, which can be mono-, di- or tri-methylated, and on arginines (R), which can be mono-methylated and symmetrically or asymmetrically di-methylated. Histone acetylation occurs on lysines and histone phosphorylation mainly on serines (S), threonines (T) and tyrosines (Y).</p>
<p>The PTMs of the different residues are involved in numerous processes such as DNA repair, DNA replication and chromosome condensation. They influence the chromatin organization and can be positively or negatively associated with gene expression. Trimethylation of H3K4, H3K36 and H3K79, and lysine acetylation generally result in an open chromatin configuration (figure below) and are therefore associated with <strong>euchromatin</strong> and gene activation. Trimethylation of H3K9, K3K27 and H4K20, on the other hand, is enriched in <strong>heterochromatin </strong>and associated with gene silencing. The combination of different histone modifications is called the "<strong>histone code</strong>&rdquo;, analogous to the genetic code.</p>
<p><img src="https://www.diagenode.com/img/categories/antibodies/histone-marks-illustration.png" /></p>
<p>Diagenode is proud to offer a large range of antibodies against histones and histone modifications. Our&nbsp; antibodies are highly specific and have been validated in many applications, including <strong>ChIP</strong> and <strong>ChIP-seq</strong>.</p>
<p>Diagenode&rsquo;s collection includes antibodies recognizing:</p>
<ul>
<li><strong>Histone H1 variants</strong></li>
<li><strong>Histone H2A, H2A variants and histone H2A</strong> <strong>modifications</strong> (serine phosphorylation, lysine acetylation, lysine ubiquitinylation)</li>
<li><strong>Histone H2B and H2B</strong> <strong>modifications </strong>(serine phosphorylation, lysine acetylation)</li>
<li><strong>Histone H3 and H3 modifications </strong>(lysine methylation (mono-, di- and tri-methylated), lysine acetylation, serine phosphorylation, threonine phosphorylation, arginine methylation (mono-methylated, symmetrically and asymmetrically di-methylated))</li>
<li><strong>Histone H4 and H4 modifications (</strong>lysine methylation (mono-, di- and tri-methylated), lysine acetylation, arginine methylation (mono-methylated and symmetrically di-methylated), serine phosphorylation )</li>
</ul>
<p><span style="font-weight: 400;"><strong>HDAC's HAT's, HMT's and other</strong> <strong>enzymes</strong> which modify histones can be found in the category <a href="../categories/chromatin-modifying-proteins-histone-transferase">Histone modifying enzymes</a><br /></span></p>
<p><span style="font-weight: 400;"> Diagenode&rsquo;s highly validated antibodies:</span></p>
<ul>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Highly sensitive and specific</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cost-effective (requires less antibody per reaction)</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Batch-specific data is available on the website</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Expert technical support</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sample sizes available</span></li>
<li><span style="font-weight: 400;"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 100% satisfaction guarantee</span></li>
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			'name' => 'ChIP-grade antibodies',
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<div class="small-12 columns"><center></center>
<p><br />Chromatin immunoprecipitation (<b>ChIP</b>) is a technique to study the associations of proteins with the specific genomic regions in intact cells. One of the most important steps of this protocol is the immunoprecipitation of targeted protein using the antibody specifically recognizing it. The quality of antibodies used in ChIP is essential for the success of the experiment. Diagenode offers extensively validated ChIP-grade antibodies, confirmed for their specificity, and high level of performance in ChIP. Each batch is validated, and batch-specific data are available on the website.</p>
<p></p>
</div>
</div>
<p><strong>ChIP results</strong> obtained with the antibody directed against H3K4me3 (Cat. No. <a href="../p/h3k4me3-polyclonal-antibody-premium-50-ug-50-ul">C15410003</a>).&nbsp;</p>
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<p></p>
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<p>Our aim at Diagenode is to offer the largest collection of highly specific <strong>ChIP-grade antibodies</strong>. We add new antibodies monthly. Find your ChIP-grade antibody in the list below and check more information about tested applications, extensive validation data, and product information.</p>',
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			'description' => '<h1><strong>Validated epigenetics antibodies</strong>&nbsp;&ndash; care for a sample?<br />&nbsp;</h1>
<p>Diagenode has partnered with leading epigenetics experts and numerous epigenetics consortiums to bring to you a validated and comprehensive collection of epigenetic antibodies. As an expert in epigenetics, we are committed to offering highly-specific antibodies validated for ChIP/ChIP-seq and many other applications. All batch-specific validation data is available on our website.<br /><a href="../categories/antibodies">Read about our expertise in antibody production</a>.</p>
<ul>
<li><strong>Focused</strong> -&nbsp;Diagenode's selection of antibodies is exclusively dedicated for epigenetic research. <a title="See the full collection." href="../categories/all-antibodies">See the full collection.</a></li>
<li><strong>Strict quality standards</strong>&nbsp;with rigorous QC and validation</li>
<li><strong>Classified</strong>&nbsp;based on level of validation for flexibility of application</li>
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<p>Existing sample sizes are listed below. We will soon expand our collection. &nbsp;Are you looking for a sample size of another antibody? Just <a href="mailto:agnieszka.zelisko@diagenode.com?Subject=Sample%20Size%20Request" target="_top">Contact us</a>.</p>',
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			'description' => '<p style="text-align: justify;"><span>Epigenetic research tools have evolved over time from endpoint PCR to qPCR to the analyses of large sets of genome-wide sequencing data. ChIP sequencing (ChIP-seq) has now become the gold standard method for chromatin studies, given the accuracy and coverage scale of the approach over other methods. Successful ChIP-seq, however, requires a higher level of experimental accuracy and consistency in all steps of ChIP than ever before. Particularly crucial is the quality of ChIP antibodies. </span></p>',
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			'description' => '<p>Histone lysine methylation functions at the interface of the extracellular environment and intracellular gene expression. DOT1L is a versatile histone H3K79 methyltransferase with a prominent role in MLL-fusion leukemia, yet little is known about how DOT1L responds to extracellular stimuli. Here, we report that DOT1L protein stability is regulated by the extracellular glucose level through the hexosamine biosynthetic pathway (HBP). Mechanistically, DOT1L is O-GlcNAcylated at evolutionarily conserved S1511 in its C terminus. We identify UBE3C as a DOT1L E3 ubiquitin ligase promoting DOT1L degradation whose interaction with DOT1L is susceptible to O-GlcNAcylation. Consequently, HBP enhances H3K79 methylation and expression of critical DOT1L target genes such as HOXA9/MEIS1, promoting cell proliferation in MLL-fusion leukemia. Inhibiting HBP or O-GlcNAc transferase (OGT) increases cellular sensitivity to DOT1L inhibitor. Overall, our work uncovers O-GlcNAcylation and UBE3C as critical determinants of DOT1L protein abundance, revealing a mechanism by which glucose metabolism affects malignancy progression through histone methylation.</p>',
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			'authors' => 'Espeso-Gil, S. et al.',
			'description' => '<p>In early development, the environment triggers mnemonic epigenomic programs resulting in memory and learning experiences to confer cognitive phenotypes into adulthood. To uncover how environmental stimulation impacts the epigenome and genome organization, we used the paradigm of environmental enrichment (EE) in young mice constantly receiving novel stimulation. We profiled epigenome and chromatin architecture in whole cortex and sorted neurons by deep-sequencing techniques. Specifically, we studied chromatin accessibility, gene and protein regulation, and 3D genome conformation, combined with predicted enhancer and chromatin interactions. We identified increased chromatin accessibility, transcription factor binding including CTCF-mediated insulation, differential occupancy of H3K36me3 and H3K79me2, and changes in transcriptional programs required for neuronal development. EE stimuli led to local genome re-organization by inducing increased contacts between chromosomes 7 and 17 (inter-chromosomal). Our findings support the notion that EE-induced learning and memory processes are directly associated with the epigenome and genome organization.</p>',
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			'authors' => 'Roidl D, Hellbach N, Bovio PP, Villarreal A, Heidrich S, Nestel S, Grüning BA, Boenisch U, Vogel T',
			'description' => '<p>Growing evidence suggests that the lysine methyltransferase DOT1L/KMT4 has important roles in proliferation, survival, and differentiation of stem cells in development and in disease. We investigated the function of DOT1L in neural stem cells (NSCs) of the cerebral cortex. The pharmacological inhibition and shRNA-mediated knockdown of DOT1L impaired proliferation and survival of NSCs. DOT1L inhibition specifically induced genes that are activated during the unfolded protein response (UPR) in the endoplasmic reticulum (ER). Chromatin-immunoprecipitation analyses revealed that two genes encoding for central molecules involved in the ER stress response, Atf4 and Ddit3 (Chop), are marked with H3K79 methylation. Interference with DOT1L activity resulted in transcriptional activation of both genes accompanied by decreased levels of H3K79 dimethylation. Although downstream effectors of the UPR, such as Ppp1r15a/Gadd34, Atf3, and Tnfrsf10b/Dr5 were also transcriptionally activated, this most likely occurred in response to increased ATF4 expression rather than as a direct consequence of altered H3K79 methylation. While stem cells are particularly vulnerable to stress, the UPR and ER stress have not been extensively studied in these cells yet. Since activation of the ER stress program is also implicated in directing stem cells into differentiation or to maintain a proliferative status, the UPR must be tightly regulated. Our and published data suggest that histone modifications, including H3K4me3, H3K14ac, and H3K79me2, are implicated in the control of transcriptional activation of ER stress genes. In this context, the loss of H3K79me2 at the Atf4- and Ddit3-promoters appears to mark a point-of-no-return that activates the death program in NSCs.</p>',
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			'description' => 'Telomeres hide (or ‘cap’) chromosome ends from DNA-damage surveillance mechanisms that arrest the cell cycle and promote repair, but the checkpoint status of telomeres is not well understood. Here we characterize the response in Saccharomyces cerevisiae to DNA double-strand breaks (DSBs) flanked by varying amounts of telomeric repeat sequences (TG1–3). We show that even short arrays of TG1–3 repeats do not induce G2/M arrest. Both Rif1 1 and Rif2 are required for capping at short, rapidly elongating ends, yet are largely dispensable for protection of longer telomeric arrays. Rif1 1 and Rif2 act through parallel pathways to block accumulation of both RPA and Rad24, activators of checkpoint kinase Mec1 1 (ATR). Finally, we show that Rif function is correlated with an ‘anticheckpoint’ effect, in which checkpoint recovery at an adjacent unprotected end is stimulated, and we provide insight into the molecular mechanism of this phenomenon.',
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ChIP.jpg" alt="H3K79me2 Antibody ChIP Grade" caption="false" width="288" height="219" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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</div>
<div class="row">
<div class="small-6 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
</div>
<div class="small-6 columns">
<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
</div>
</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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<p><small><strong> Figure 1. ChIP results obtained with the Diagenode antibody directed against H3K79me2</strong><br />ChIP assays were performed using human HeLa cells, the Diagenode antibody against H3K79me2 (Cat. No. C15410051) and optimized PCR primer pairs for qPCR. ChIP was performed with the &ldquo;Auto Histone ChIP-seq&rdquo; kit (cat. No. C01010020), using sheared chromatin from 1 million cells. A titration consisting of 0.5, 1, 2 and 5 &mu;g of antibody per ChIP experiment was analyzed. IgG (1 &mu;g/IP) was used as a negative IP control. Quantitative PCR was performed with primers specific for the coding regions of the active EIF2S3 and CCT5 genes, used as positive controls, and for the inactive MYOD1) gene and the Sat2 satellite repeat, used as negative controls. Figure 1 shows the recovery, expressed as a % of input (the relative amount of immunoprecipitated DNA compared to input DNA after qPCR analysis).</small></p>
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<div class="row">
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051-_chipseq-A.jpg" alt="H3K79me2 Antibody ChIP-seq Grade" caption="false" width="447" height="58" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-B.jpg" alt="H3K79me2 Antibody for ChIP-seq" caption="false" width="447" height="122" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-C.jpg" alt="H3K79me2 Antibody for ChIP-seq assay" caption="false" width="447" height="90" /></p>
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_chipseq-D.jpg" alt="H3K79me2 Antibody validated in ChIP-seq" caption="false" width="447" height="106" /></p>
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<p><small><strong> Figure 2. ChIP-seq results obtained with the Diagenode antibody directed against H3K79me2</strong><br /> ChIP was performed with 1 &mu;g of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) as described above. The IP&rsquo;d DNA was subsequently analysed on an Illumina HiSeq 2000. Library preparation, cluster generation and sequencing were performed according to the manufacturer&rsquo;s instructions. The 50 bp tags were aligned to the human genome using the BWA algorithm. Figure 2 shows the peak distribution along the complete sequence and a 5 Mb region of chromosome 1 (figure 2A and B) and in two 300 kb regions surrounding the EIF2S3 and CCT5 positive control genes (figure 2C and D).</small></p>
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<div class="row">
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<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_ELISA.jpg" alt="H3K79me2 Antibody ELISA validation" caption="false" width="288" height="217" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 3. Determination of the antibody titer</strong><br /> To determine the titer of the antibody, an ELISA was performed using a serial dilution of the Diagenode antibody directed against H3K79me2 (Cat. No. C15410051). The antigen used was a peptide containing the histone modification of interest. By plotting the absorbance against the antibody dilution (Figure 3), the titer of the antibody was estimated to be 1:6,600. </small></p>
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</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_dotblot.jpg" alt="H3K79me2 Antibody Dot Blot validation" caption="false" width="288" height="176" /></p>
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<div class="small-8 columns">
<p><small><strong> Figure 4. Cross reactivity tests using the Diagenode antibody directed against H3K79me2</strong><br /> A Dot Blot analysis was performed to test the cross reactivity of the Diagenode antibody against H3K79me2 (Cat. No. C15410051) with peptides containing other modifications and unmodified sequences of histone H3. One hundred to 0.2 pmol of peptide containing the respective histone modification were spotted on a membrane. The antibody was used at a dilution of 1:5,000. Figure 4 shows a high specificity of the antibody for the modification of interest. </small></p>
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</div>
<div class="row">
<div class="small-4 columns">
<p><img src="https://www.diagenode.com/img/product/antibodies/C15410051_WB.jpg" alt="H3K79me2 Antibody validated in Western Blot" caption="false" width="288" height="191" /></p>
</div>
<div class="small-8 columns">
<p><small><strong> Figure 5. Western blot analysis using the Diagenode antibody directed against H3K79me2</strong><br /> Western blot was performed on whole cell (25 &mu;g, lane 1) and histone extracts (15 &mu;g, lane 2) from HeLa cells, and on 1 &mu;g of recombinant histone H2A, H2B, H3 and H4 (lane 3, 4, 5 and 6, respectively) using the Diagenode antibody against H3K79me2 (Cat. No. C15410051) diluted 1:200 in TBS-Tween containing 5% skimmed milk. The position of the protein of interest is indicated on the right; the marker (in kDa) is shown on the left.</small></p>
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Antibodies you can trust POSTER Epigenetic research tools have evolved over time from endpoint PCR to qPCR to the analyses of lar...	Download
Epigenetic Antibodies Brochure BROCHURE More than in any other immuoprecipitation assays, quality antibodies are critical tools in many e...	Download
Datasheet H3K79me2 C15410051 DATASHEET Polyclonal antibody raised in rabbit against the region of histone H3 containing the dimethylated...	Download

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