Description
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.
~ 40 kDa observed
Immunogen
Epitope: Macro domain
GST-tagged recombinant protein corresponding to mcro domain of mouse Histone MacroH2A.1.
Application
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.
Immunocytochemistry Analysis: 1:500 dilution from a representative lot detected Histone MacroH2A.1 in NIH/3T3, A431, and HeLa cells.
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Histones
Biochem/physiol Actions
This antibody recognizes Histone MacroH2A.1 at the macro domain.
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.
Preparation Note
Stable for 1 year at 2-8°C from date of receipt.
Analysis Note
Control
HeLa acid extract
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.
Other Notes
Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.
Replaces: 07-219
Disclaimer
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.
