Date published: 2025-9-5

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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 100 µg/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
  • Contact our Technical Service Department (or your local Distributor) for more information on how to receive a FREE 10 µg sample of Ac-Histone H3 (AH3-120): sc-56616.
  • 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
100 µg/ml
$316.00

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

sc-539034
100 µg Ab; 10 µg BP
$354.00

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

sc-541218
100 µg Ab; 20 µg BP
$354.00

Hello, I am looking by sc-8655 that recognizes acetyl H3 Lys 9 and Lys 14. Can this antibody detect acetylated Lys 14 of histone H3 too?Or only acetylated Lys 9?

Asked by: marithearceo
Thank you for your question. This mouse monoclonal antibody is specific for acetylated Lys 9 of Histone H3, and not acetylated Lys 14.
Answered by: Technical Support
Date published: 2019-01-29

Hello, do you know what histone 3 acetylated modifications are recognized by this antibody?

Asked by: marithearceo
Thank you for your question. This monoclonal antibody is raised against an peptide that was acetylated at Lys 9 of Histone H3 of human origin. It is therefore expected to react with the correspondingly acetylated Histone H3 proteins.
Answered by: Technical Support
Date published: 2019-01-25

Can this be used for ChIP? I don't see an option for the more concentrated "sc-56616X".

Asked by: Anyhelp
Thank you for your question. We are aware of one citation using this antibody for ChIP, please see PMID: 23031797. The more concentrated "X" version of this mouse monoclonal, Ac-Histone H3 Antibody (AH3-120): sc-56616, is not a standard product offered on our website. Please contact one of our Special Orders Coordinators to request a quote for the TransCruz "X" version of the antibody. Please e-mail <specialorders@scbt.com>, or call us toll-free at (800) 457-3801 option 2.
Answered by: Technical Support
Date published: 2017-05-25

Is Ac-Histone H3 (AH3-120): sc-56616 monoclonal antibody specific for acetylated Histone H3, and non cross-reactive with the unacetylated Histone H3?

Asked by: cjMara
Yes. We have validated the specificity of the antibody through a series of Western blot experiments using different cell treatments to induce acetylation of the target protein. This data is published on our website and product datasheet.
Answered by: Technical Support
Date published: 2017-01-27
  • y_2025, m_8, d_27, h_5CST
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Rated 5 out of 5 by from Very wellThis antibody has been used in ChIP experiments and it worked very well.
Date published: 2024-06-11
Rated 5 out of 5 by from H3 antibody for Nuclear fractionsThe Ac-histone antibody played a crucial role in detecting proteins within nuclear fractions, offering a means for normalization. Its low molecular weight allowed simultaneous analysis of different bands in a single experiment, enhancing the efficiency of our nuclear protein studies.
Date published: 2024-01-04
Rated 4 out of 5 by from Great for WBWorks well for western blot in hRECs and human RCC cells.
Date published: 2022-06-08
Rated 5 out of 5 by from very googIn MB231 cells, a clear band appeared after WB analysis 1: 2000 dilution.
Date published: 2022-03-18
Rated 5 out of 5 by from Marche tres bien en immunoJe l'ai utilisé dans une immuno "free floating" avec antigen retrieval, avec une concentration 1/100, et ça a très bien marché.
Date published: 2018-02-09
Rated 5 out of 5 by from good results of ab56616this is the IF results using the antibody , the IF result seems pretty well cell line: HeLa
Date published: 2017-11-15
Rated 5 out of 5 by from niceNice Western blot analysis of acetylated。good choice
Date published: 2017-09-11
Rated 4 out of 5 by from Great antibody!1:500 diluted for wb of rat protein ,the result is satisfied.
Date published: 2017-07-29
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Ac-Histone H3 Antibody (AH3-120) is rated 4.7 out of 5 by 17.
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