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Anti-Histone Macro H2A.1

Code: ABE215 D2-231

Analysis Note

ControlHeLa acid extract


Research Sub CategoryHistones

Immunocytochemistry Analysis: 1:500 dilution from a repres...

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Analysis Note

ControlHeLa acid extract


Research Sub CategoryHistones

Immunocytochemistry Analysis: 1:500 dilution from a representative lot detected Histone MacroH2A.1 in NIH/3T3, A431, and HeLa cells.

Research CategoryEpigenetics & Nuclear Function

Anti-Histone Macro H2A.1 Antibody is a Rabbit Polyclonal Antibody for detection of Histone Macro H2A.1 also known as H2A histone family member Y, histone macroH2A1.2 & has been validated in WB, ICC.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

General description

Histone MacroH2A (mH2A) is a variant histone also known as H2AFY. mH2A is enriched in chromatin of the female inactive X chromosome and in highly methylated CpG loci. This histone variant is known to repress RNA polymerase II-driven transcription at the level of transcriptional initiation. In contrast to most histone variants containing only subtle changes, mH2A contains a large non-histone domain (the macro domain) on its C-terminus, resulting in a histone approximately three times the size of conventional H2A. There are 3 isoforms of mH2A, two of which (mH2A1.1, mH2A1.2 ) are formed by alternative splicing and another (mH2A2) from a separate gene. There are two phosphorylation sites within the basic hinge region of mH2A: Thr128 and Ser137. Phospho-Ser137 is enriched in mitosis, implicating mH2A in the regulation of posttranslational modifications throughout the cell cycle.


GST-tagged recombinant protein corresponding to mcro domain of mouse Histone MacroH2A.1.

Epitope: Macro domain


Replaces: 07-219

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Physical form

Affinity purified

Purified rabbit polyclonal in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.


Evaluated by Western Blot in HeLa acid extract.

Western Blot Analysis: 0.2 µg/mL of this antibody detected histone MacroH2A.1 on 10 µg of HeLa acid extract.


This antibody recognizes Histone MacroH2A.1 at the macro domain.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Target description

~ 40 kDa observed

antibody formaffinity isolated antibody
antibody product typeprimary antibodies
biological sourcerabbit
Gene Informationhuman ... H2AFJ(55766)
NCBI accession no.NP_001152985.1
purified byaffinity chromatography
Quality Level100
shipped inwet ice
species reactivitymouse, human
technique(s)immunocytochemistry: suitable, western blot: suitable
UniProt accession no.Q9QZQ8
This product has met the following criteria: