Histone H3-K9, Polyclonal Antibody

Histone H33; H3F3A; H33A; H3F3

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

Rabbit Ig

Rabbit

This Histone H3-K9 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide selected from the K9 region of human histone H3.

Peptide Affinity Purified Rabbit Polyclonal Antibody (Pab)

Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.

Vial Concentration: 0.3 (lot specific)

Maintain refrigerated at 2-8 degree C for up to 6 months. For long term storage store at -20 degree C in small aliquots to prevent freeze-thaw cycles.

Small volumes of anti-H3F3A antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. This structure consists of approximately 146 bp of DNA wrapped around a nucleosome, an octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures. This gene for histone H3-MeK9 is intronless and encodes a member of the histone H3 family. Transcripts from this gene lack polyA tails; instead, they contain a palindromic termination element. This gene is found in the large histone gene cluster on chromosome 6p22-p21.3.

Western Blot (WB), ELISA (EIA), Immunohistochemistry (IHC), Flow Cytometry (FC/FACS)

WB~~1:1000

Western blot analysis of Methyl-K-H3-K9(2Me)-4MAPS in K562 cell line lysates (35ug/lane). H3 (arrow) was detected using the purified Pab.

Histone H3-K9 Antibody IHC analysis in formalin fixed and paraffin embedded testis tissue followed by peroxidase conjugation of the secondary antibody and DAB staining. This data demonstrates the use of the Histone H3-K9 Antibody for immunohistochemistry. Clinical relevance has not been evaluated.

Histone H3-K9 Antibody flow cytometric analysis of K562 cells (bottom histogram) compared to a negative control cell (top histogram).FITC-conjugated goat-anti-rabbit secondary antibodies were used for the analysis.

15328

H3 histone, family 3A

histone H3.3

Histone H3.3

H3.3A; H3F3  [Similar Products]

H33_HUMAN

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene contains introns and its mRNA is polyadenylated, unlike most histone genes. The protein encoded is a replication-independent member of the histone H3 family. [provided by RefSeq, Jul 2008]

H3F3A: Variant histone H3 which replaces conventional H3 in a wide range of nucleosomes in active genes. Constitutes the predominant form of histone H3 in non-dividing cells and is incorporated into chromatin independently of DNA synthesis. Deposited at sites of nucleosomal displacement throughout transcribed genes, suggesting that it represents an epigenetic imprint of transcriptionally active chromatin. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers. The octamer wraps approximately 147 bp of DNA. Interacts with HIRA, a chaperone required for its incorporation into nucleosomes. Belongs to the histone H3 family.

Protein type: DNA-binding

Chromosomal Location of Human Ortholog: 1q42.12

Cellular Component: nucleoplasm; nuclear chromosome; protein complex; extracellular region; nucleosome; nucleus

Molecular Function: protein binding; nucleosomal DNA binding; protein heterodimerization activity

Biological Process: chromatin silencing at rDNA; nucleosome assembly; DNA replication-independent nucleosome assembly; negative regulation of gene expression, epigenetic; gene expression; blood coagulation; regulation of gene expression, epigenetic; positive regulation of cell growth; DNA methylation on cytosine

Teng, H., et al. J. Biol. Chem. 284(39):26368-26376(2009)
Garcia, B.A., et al. J. Biol. Chem. 282(10):7641-7655(2007)
Morris, S.A., et al. J. Biol. Chem. 282(10):7632-7640(2007)
Loyola, A., et al. Mol. Cell 24(2):309-316(2006)
Kim, S.C., et al. Mol. Cell 23(4):607-618(2006)

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