Anti-phospho-Histone H2A.X (Ser139) Antibody, clone JBW301, biotin conjugate

15 kDa

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Nucleosomes consist of approximately 146 bp of DNA wrapped around a histone octamer composed of pairs of each of the four core histones (H2A, H2B, H3, and H4). The chromatin fiber is further compacted through the interaction of a linker histone, H1, with the DNA between the nucleosomes to form higher order chromatin structures.

Epitope: Ser139

KLH-conjugated, synthetic peptide (CKATQA[pS]QEY) corresponding to amino acids 134-142 of human histone H2A.X. The immunizing sequence has 8 identical amino acids in yeast and mouse.

Anti-phospho-Histone H2A.X (Ser139) Antibody, clone JBW301, biotin conjugate is a Mouse Monoclonal Antibody for detection of phospho-Histone H2A.X (Ser139) also known as H2AXS139P, H2AX histone & has been validated in ICC & WB.

Research Category
Epigenetics & Nuclear Function

Research Sub Category
Histones

A broad species cross-reactivity is expected based on conservation of sequence homology.

Recognizes Histone H2A.X phosphorylated at Ser139, Mr 15kDa.

Protein G Purified

Purified biotin conjugated mouse monoclonal IgG1 in buffer containing 70% storage buffer (0.02 M Phosphate buffer, pH7.6, 0.25 M NaCl, 0.1% sodium azide) and 30% glycerol

Stable for 1 year at -20ºC from date of receipt.
Handling Recommendations: Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. Note: Variability in freezer temperatures below -20°C may cause glycerolcontaining solutions to become frozen during storage.

Control
Staurosporine-treated Jurkat cell lysates.

Routinely evaluated in acid extracted histone from Jurkat cell lysates treated with 0.5mM staurosporine (19-123).

Western Blot Analysis:
0.5-1 μg/mL of this lot detected phosphorylated histone H2A.X (Ser139) in acid extracted histone from Jurkat cell lysates treated with 0.5μM staurosporine (Catalog # 19-123).

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

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