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Invitrogen™ Phospho-Histone H2A.X (Ser139) Polyclonal Antibody
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Catalog No. PIPA597354
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PIPA597354 100 μL
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Catalog No. PIPA597354 Supplier Invitrogen™ Supplier No. PA597354
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Description

Rabbit Polyclonal Antibody

Positive Samples: Jurkat, NIH/3T3, C6; Cellular Location: Chromosome, Nucleus Immunogen sequence: QASQEY.

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.
TRUSTED_SUSTAINABILITY

Specifications

Antigen Phospho-Histone H2A.X (Ser139)
Applications ELISA, Immunohistochemistry (Paraffin), Western Blot, Immunocytochemistry
Classification Polyclonal
Concentration 1.77 mg/mL
Conjugate Unconjugated
Formulation PBS with 50% glycerol and 0.09% sodium azide; pH 7.3
Gene H2AX
Gene Accession No. P16104, P27661
Gene Alias AW228881; gamma H2AX; gammaH2ax; H2A histone family member X; H2A histone family, member X; H2A.X; H2A.X variant histone; H2A/X; h2afx; H2ax; H2AX histone; Hist5-2ax; histone 5 protein 2ax; histone H2A.x; Histone H2a/x; Histone H2AX; RGD1566119; similar to H2A histone family, member X; zgc:56329
Gene Symbols H2AX
Host Species Rabbit
Immunogen Synthetic peptide
Purification Method Affinity Chromatography
Quantity 100 μL
Regulatory Status RUO
Primary or Secondary Primary
Gene ID (Entrez) 15270, 3014, 500987
Target Species Human, Mouse, Rat
Content And Storage -20°C, Avoid Freeze/Thaw Cycles
Product Type Antibody
Form Liquid
Isotype IgG
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