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ChIPAb+ Dimethyl-Histone H3 (Lys27) - ChIP Validated Antibody and Primer Set, rabbit monoclonal
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PRODUCT FAMILY INFORMATION
Histone H3 Antibodies, Proteins and Kits
Millipore’s Histone H3 antibodies demonstrate specificity against histone H3. See below for acetyl-, methyl-, phospho- histone H3 Antibodies and Proteins, based on the expertise of Upstate & Chemicon.
Millipore’s Anti-Histone H3 Antibody demonstrates specificity against Histone H3. See below for data, references and related products for Histone H3. All Millipore antibodies are based on the expertise of Upstate & Chemicon.
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Species Reactivity Key Applications Host Format Antibody Type
Vrt ChIP, WB, Cell Function Assay Rabbit Culture Supernatant Monoclonal Antibody
Description:
ChIPAb+ Dimethyl-Histone H3 (Lys27) - ChIP Validated Antibody and Primer Set, rabbit monoclonal
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Trade Name:
Upstate (Millipore)
Product Overview:
All ChIPAb+ antibodies are individually validated for chromatin precipitation, every lot, every time. Each ChIPAb+ antibody set includes control primers (tested every lot by qPCR) to biologically validate your IP results in a locus-specific context. The qPCR protocol and primer sequences are provided, allowing researchers to validate ChIP protocols when using our antibody in their chromatin context. Each set also includes a negative control antibody to ensure specificity of the ChIP reaction.
The ChIPAb+ Dimethyl-Histone H3 (Lys27) set includes the Dimethyl-Histone H3 (Lys27) antibody, a negative control rabbit supernatant, and qPCR primers which amplify a 110 bp region of human β-globin promoter. The Dimethyl-Histone H3 (Lys27) and negative controls are supplied in a scalable "per ChIP" reaction size and can be used to functionally validate the precipitation of Dimethyl-Histone H3 (Lys27)-associated chromatin.
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Specificity:
This antibody recognizes Histone H3 dimethylated on Lys27.
Molecular Weight:
~17 kDa
Epitope:
Dimethyl Lys27
Immunogen:
Peptide containing the sequence (ARme2KSA) in which me2 corresponds to dimethyl lysine at residue 27 of human histone H3.
Modifications:
Methylation
Isotype:
IgG
Background Information:
Histones are highly conserved proteins that serve as the structural scaffold for the organization of nuclear DNA into chromatin. The four core histones, H2A, H2B, H3, and H4, assemble into an octamer (2 molecules of each). Subsequently, 146 base pairs of DNA are wrapped around the octamer, forming a nucleosome. Histones are modified post-translationally by the actions of enzymes in both the nucleus and cytoplasm. These modifications regulate DNA transcription, repair, recombination, and replication. The most commonly studied modifications are acetylation, phosphorylation, methylation, and ubiquitination. These modifications can alter local chromatin architecture, or recruit trans-acting factors that recognize specific histone modifications (the "histone code" hypothesis). The modifications occur predominantly on the N-terminal and C-terminal tails that extend beyond the nucleosome core particle. Histone H3 is methylated at Lys27 by EZH2, and and overexpression of EZH2 has been associated with both breast and prostate cancers. Methylation of H3K27 is involved in X chroosome inactivation, imprinting, circadian rhythms, and stem cell maintenance. H3K27me2 is a marker of classical heterochromatin.
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Species Reactivity:
Vertebrates
Species Reactivity Note:
Broad species cross-reactivity expected, based on sequence identity in most species.
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