Histone H2A Antibody
(Synonyms: H2A histone family member X; H2A histone family member X; H2A.FX; H2A.X; H2a/x; H2AFX; H2AX; H2AX_HUMAN; Histone H2A.X)Histone H2A Acetyl Antibody is a Rabbit-derived and non-conjugated IgG Polyclonal antibody, targeting to Histone H2A Acetyl.
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Host:
Rabbit
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Isotype:
IgG
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Application:
WB, IP, IF-Tissue, ICC/IF, IP
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Reactivity :
broad mammalian, Zebrafish, Drosophila, Xenopus, C. elegans
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Formulation:
Supplied in PBS(pH7.4) containing 0.1% gelatin and < 0.1% sodium azide.
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Conjugation:
Non-conjugated
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
Applications
| Application |
WB
WB: Western Blot
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IHC-P
IHC-P: Immunohistochemistry-Paraffin
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ICC/IF
ICC/IF: Immunocytochemistry/
Immunofluorescence |
IF-Tissue
IF-Tissue: Immunofluorescence-Tissue
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IP
IP: Immunoprecipitation
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|---|---|---|---|---|---|
| Dilution Ratio | 1:100-1000 | 1:50-500 | 1:50-500 | 1:50-500 | 1-2μg per 100-500μg Total protein |
Product Details
Histone H2A Acetyl Antibody is a Rabbit-derived and non-conjugated IgG Polyclonal antibody, targeting to Histone H2A Acetyl.
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Host Rabbit
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Species Reactivitybroad mammalian, Zebrafish, Drosophila, Xenopus, C. elegans
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Calculated Molecular Weight Predicted band size: 16 kDa
Synthetic peptide.
Endogenous
affinity purified
Non-conjugated
Acetylated
IgG
Product Properties
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Appearance
Solution
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Formulation
Supplied in PBS(pH7.4) containing 0.1% gelatin and < 0.1% sodium azide.
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Storage & Stability
Stored at -20°C for 1 year. Avoid repeated freeze / thaw cycles.
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Shipping
Shipping with blue ice.
Background
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Function
Histone H2A Acetyl is a 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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Subcellular Localization
Nucleus; Chromosome
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Expression
Tissue_Specificity: Most abundant in testis, thymus and spleen. -
Isoforms & Post-Translational Modification
Histone H2A Acetyl has an amino acid length of 143, molecular weight is 15143 Da.
Phosphorylated on Ser-140 (to form gamma-H2AX or H2AX139ph) in response to DNA double strand breaks (DSBs) generated by exogenous genotoxic agents, by stalled replication forks, by meiotic recombination events and during immunoglobulin class switching in lymphocytes. Phosphorylation can extend up to several thousand nucleosomes from the actual site of the DSB and may mark the surrounding chromatin for recruitment of proteins required for DNA damage signaling and repair. Widespread phosphorylation may also serve to amplify the damage signal or aid repair of persistent lesions. Phosphorylation of Ser-140 (H2AX139ph) in response to ionizing radiation is mediated by both ATM and PRKDC while defects in DNA replication induce Ser-140 phosphorylation (H2AX139ph) subsequent to activation of ATR and PRKDC. Dephosphorylation of Ser-140 by PP2A is required for DNA DSB repair. In meiosis, Ser-140 phosphorylation (H2AX139ph) first occurs at synaptonemal complexes during leptotene and is an ATM-dependent response to the formation of programmed DSBs by SPO11. Ser-140 phosphorylation (H2AX139ph) subsequently occurs at unsynapsed regions of both autosomes and the XY bivalent during zygotene and is ATR- and BRCA1-dependent. Ser-140 phosphorylation (H2AX139ph) may also be required for transcriptional repression of unsynapsed chromatin and meiotic sex chromosome inactivation (MSCI), whereby the X and Y chromosomes condense in pachytene to form the heterochromatic XY-body. During immunoglobulin class switch recombination in lymphocytes, Ser-140 phosphorylation (H2AX139ph) at sites of DNA-recombination requires the activation-induced cytidine deaminase AICDA. Phosphorylation at Tyr-143 (H2AXY142ph) by BAZ1B/WSTF determines the relative recruitment of either DNA repair or pro-apoptotic factors. Phosphorylation at Tyr-143 (H2AXY142ph) favors the recruitment of APBB1/FE65 and pro-apoptosis factors such as MAPK8/JNK1, triggering apoptosis. In contrast, dephosphorylation of Tyr-143 by EYA proteins (EYA1, EYA2, EYA3 or EYA4) favors the recruitment of MDC1-containing DNA repair complexes to the tail of phosphorylated Ser-140 (H2AX139ph). -
Subunit
The nucleosome is a histone octamer containing two molecules each of H2A, H2B, H3 and H4 assembled in one H3-H4 heterotetramer and two H2A-H2B heterodimers.
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SwissProt ID
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Synonyms
H2A histone family member X; H2A histone family member X; H2A.FX; H2A.X; H2a/x; H2AFX; H2AX; H2AX_HUMAN; Histone H2A.X
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