Date published: 2026-7-28

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Ac-Histone H3 Antibody (AH3-120): sc-56616

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Datasheets
  • Ac-Histone H3 Antibody (AH3-120) is a mouse monoclonal IgG1 κ Ac-Histone H3 antibody, cited in 42 publications, provided at 50 µg/0.5 ml
  • raised against an amino acid sequence containing acetylated Lys 9 of Histone H3 of human origin
  • recommended for detection of Ac-Histone H3 of mouse, rat, human, Drosophila, Xenopus, C. elegans and bovine origin by WB, IP and IF
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for Ac-Histone H3 Antibody (AH3-120) for WB applications. These reagents are now offered in bundles with Ac-Histone H3 Antibody (AH3-120) (see ordering information below).
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Ac-Histone H3 Antibody (AH3-120) is a mouse monoclonal IgG1 kappa light chain antibody raised against an amino acid sequence containing acetylated Lysine 9 of Histone H3 of human origin, and reacts with proteins from mouse, rat, human, Drosophila, Xenopus, C. elegans, and bovine species; anti-Ac-Histone H3 antibody (AH3-120) is suitable for applications such as western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). Histone H3 is a core component of the nucleosome, the fundamental unit of chromatin in eukaryotic cells, where DNA is wrapped around histone octamers composed of Histones H2A, H2B, H3, and H4, resulting in the dense packing of DNA that regulates access to genetic information. The acetylation of Histone H3 at lysine 9 is a critical post-translational modification that plays a significant role in gene regulation by altering chromatin structure; this modification reduces the positive charge on histone tails, weakening their interaction with negatively charged DNA and leading to a more relaxed chromatin state that facilitates the binding of transcription factors and the initiation of gene transcription. Understanding the function of acetylated Histone H3 at lysine 9 is important because this modification is associated with active gene expression and is involved in various biological processes such as cell cycle progression, differentiation, and response to environmental stimuli; dysregulation of this modification has been implicated in diseases like cancer and neurodegenerative disorders. Ac-Histone H3 (AH3-120) monoclonal antibody provides a valuable tool for researchers studying epigenetic mechanisms, chromatin dynamics, and the regulation of gene expression, contributing to a deeper understanding of cellular function and the development of therapeutic strategies.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ac-Histone H3 Antibody (AH3-120) References:

  1. Antibodies to defined histone epitopes reveal variations in chromatin conformation and underacetylation of centric heterochromatin in human metaphase chromosomes.  |  Jeppesen, P., et al. 1992. Chromosoma. 101: 322-32. PMID: 1374304
  2. The H1 and core histone subtypes: differential gene expression and varied primary structures.  |  Doenecke, D., et al. 1988. Adv Enzyme Regul. 27: 107-20. PMID: 3250226
  3. Analysis of nucleosome assembly and histone exchange using antibodies specific for acetylated H4.  |  Perry, CA., et al. 1993. Biochemistry. 32: 13605-14. PMID: 7504954
  4. Temporally restricted spatial localization of acetylated isoforms of histone H4 and RNA polymerase II in the 2-cell mouse embryo.  |  Worrad, DM., et al. 1995. Development. 121: 2949-59. PMID: 7555721
  5. Histone H1.  |  Wolffe, AP. 1997. Int J Biochem Cell Biol. 29: 1463-6. PMID: 9570139
  6. Overlapping but distinct patterns of histone acetylation by the human coactivators p300 and PCAF within nucleosomal substrates.  |  Schiltz, RL., et al. 1999. J Biol Chem. 274: 1189-92. PMID: 9880483

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Ac-Histone H3 Antibody (AH3-120)

sc-56616
50 µg/0.5 ml
$322.00

Ac-Histone H3 Antibody (AH3-120): m-IgG Fc BP-HRP Bundle

sc-539034
50 µg Ab; 10 µg BP
$361.00

Ac-Histone H3 Antibody (AH3-120): m-IgG1 BP-HRP Bundle

sc-541218
50 µg Ab; 20 µg BP
$361.00