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Invitrogen
Phospho-Histone H2A.X (Ser139) Recombinant Rabbit Monoclonal Antibody (HisH2AXS139-1E4), APC
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FIGURE: 1 / 1
Phospho-Histone H2A.X (Ser139) Antibody (MA5-37049) in Flow
Flow cytometry of Phospho-Histone H2A.X (Ser139) using 293T cells. Samples were incubated in monoclonal Phospho-Histone H2A.X (Ser139) antibody (Product # MA5-37049). Images correspond with the following conditions: untreated, unstained negative control (blue), untreated (red), treated with UV and TPA (green).
Product Details
MA5-37049
Product Specifications
Species Reactivity
Human,
Mouse
Host/Isotype
Rabbit
/ IgG, kappa
Expression System
HEK293 cells
Class
Recombinant Monoclonal
Type
Antibody
Clone
HisH2AXS139-1E4
Immunogen
A synthetic phospho-peptide corresponding to residues surrounding Ser139 of human phospho histone H2A.X.
Conjugate
Excitation/Emission Max
651/660 nm
View spectra
Form
Liquid
Purification
Protein A/G
Storage buffer
PBS with 0.20% BSA
Contains
0.09% sodium azide
Storage conditions
4°C
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Target Information
Histone H2A.X (H2AX) is a member of the histone H2A family which is one of the four core histones making up the nucleosome core particle. In eukaryotes, DNA double strand breaks (DSBs) have been shown to trigger the phosphorylation of serine 139 at the carboxy terminus of histone H2AX resulting in gamma-H2AX. The phosphorylation of H2AX can be detected by Western blotting or immunofluorescence, revealing the frequency of DSBs. The phosphatidylinositol 3-kinases have been implicated in H2AX phosphorylation, but it is unclear if ATM is the primary H2AX kinase or if other members of the family such as DNA-PK and ATR contribute in a similar manner. Structurally, H2A.x contains 143 amino acid residues. Histone H2A.X is considered a basal histone, being synthesized in G1 as well as in S-phase, and its mRNA contains polyA addition motifs and a polyA tail along with the conserved stem-loop and U7 binding sequences involved in the processing and stability of replication type histone mRNAs. There are two forms of Histone H2A.X mRNA, one about 1600 bases long and contains polyA; the other about 575 bases long, lacking polyA. The short form behaves as a replication type histone mRNA, while the longer behaves as a basal type histone mRNA. Histone H2A.X maps to the 11q23.2-q23.3 region of the human chromosome. Histone H2A.x contributes to histone-formation and therefore the structure of DNA. Histone H2A variant H2A.x specifically regulates the interaction of MDC1 (mediator of DNA damage checkpoint protein 1), a DNA repair protein to the sites of DNA damage.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: gamma H2AX; H2A histone family, member X; H2a/x; H2AX histone; histone 5 protein 2ax; Histone H2A.X; Histone H2a/x; Histone H2AX
Gene Aliases: AW228881; gammaH2ax; H2A.X; H2A/X; H2AFX; H2AX; Hist5-2ax
UniProt ID: (Human) P16104, (Mouse) P27661
Entrez Gene ID: (Human) 3014, (Mouse) 15270
DNA damage checkpoint
double-strand break repair via homologous recombination
double-strand break repair
double-strand break repair via nonhomologous end joining
nucleosome assembly
chromatin silencing
cellular response to DNA damage stimulus
spermatogenesis
response to ionizing radiation
viral process
cerebral cortex development
positive regulation of DNA repair
meiotic cell cycle
cellular response to gamma radiation
cellular senescence
DNA repair
DNA recombination
cell cycle
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