H2AFX antibody (pSer139)
Quick Overview for H2AFX antibody (pSer139) (ABIN362339)
Target
See all H2AFX AntibodiesReactivity
Host
Clonality
Conjugate
Application
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Binding Specificity
- pSer139
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Specificity
- The antibody detects endogenous level of Histone H2A.X only when phosphorylated at serine 139.
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Purification
- The antibody was affinity-purified from rabbit antiserum by affinity-chromatography usingepitope-specific phosphopeptide. The antibody against non-phosphopeptide was removedby chromatography using non-phosphopeptide corresponding to the phosphorylation site.
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Immunogen
- Peptide sequence around phosphorylation site of pSer139 (Q-A-S (p) -Q-E) derived from Human Histone H2A.X. Antibodies were produced by immunizing rabbits with synthetic phosphopeptide and KLH conjugates.
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Isotype
- IgG
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Application Notes
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Western blotting: 1:500-1:1000
Immunofluorescence: 1:100-1:200 -
Restrictions
- For Research Use only
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Format
- Liquid
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Concentration
- 1 mg/mL
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Buffer
- Phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150 mM NaCl, 0.02 % sodium azide and 50 % glycerol.
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Preservative
- Sodium azide
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Precaution of Use
- This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
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Storage
- 4 °C/-20 °C
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Storage Comment
- Store at -20 °C for long term preservation (recommended). Store at 4 °C for short term use.
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: "HSF4 is involved in DNA damage repair through regulation of Rad51." in: Biochimica et biophysica acta, Vol. 1822, Issue 8, pp. 1308-15, (2012) (PubMed).
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- H2AFX (H2A Histone Family, Member X (H2AFX))
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Alternative Name
- Histone H2A.X
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Background
- Variant histone H2A which replaces conventional H2A in a subset of nucleosomes. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. Required for checkpoint-mediated arrest of cell cycle progression in response to low doses of ionizing radiation and for efficient repair of DNA double strand breaks (DSBs) specifically when modified by C-terminal phosphorylation.
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Molecular Weight
- 15 kDa
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NCBI Accession
- NP_002096
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UniProt
- P16104
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Pathways
- Telomere Maintenance, DNA Damage Repair, Positive Regulation of Response to DNA Damage Stimulus
Target
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