H2AX (pS139) Mouse, PerCP-Cy5.5, Clone: N1-431, BD
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 564718
Histones are highly basic proteins that complex with DNA to form chromatin. The H2AX histone (~15 kDa calculated molecular weight) is a member of the H2A histone family whose members are components of nucleosomal histone octamers. Double-stranded breaks in DNA caused by replication errors, apoptosis, or other physiological processes (including, immunoglobulin and TCR gene recombinations) and DNA damage caused by ionizing radiation, UV light, or cytotoxic agents lead to phosphorylation of H2AX on serine 139. H2AX (pS139) is also referred to as H2AX (pS140) when the N-terminal methionine that is normally excised during posttranslational processing is included in amino acid sequence numbering. Kinases such as ataxia telangiectasia mutated (ATM) or ATM-Rad3-related (ATR) phosphorylate H2AX to induce its function. Phosphorylated H2AX (also termed, gamma-H2AX) functions to recruit and localize DNA repair proteins or cell cycle checkpoint factors to the DNA-damaged sites. In this way, phosphorylated H2AX promotes DNA repair and maintains genomic stability and thus helps prevent oncogenic transformations.
|H2A.X; H2A/X; H2AFX; HIST5-2AX; gamma-H2AX; γ-H2AX; H2AX (pS140)|
|Phosphorylated Human H2AX Peptide|
|The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.|
|Aqueous buffered solution containing BSA and ≤0.09% sodium azide.|
|Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.|
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