Histone H2A.x

H2AX expression is replication independent and occurs in all phases of cell cycle. Its mRNA is polyadenylated (PMID: 2587254). H2AX plays a crucial role in the process of DNA damage response. It immediately gets phosphorylated at serine 139 position and this form of H2AX is known as gamma-H2AX (PMID: 9488723). Gamma-H2AX has been implicated in many cellular phenomena like DNA double stranded break repair, apoptosis, cell cycle checkpoints, JNK signalling, mis-match repair etc. (PMID: 16857581, PMID: 10959836, PMID: 15279782).

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Histone H2A.x (H2a/x) infosheet
UniprotKB AccessionP16104
Alternative Name(s)
No. of coding genesHistone H2A.x is coded by following 1 non-allelic gene/s
Gene nameH2A histone family, member X
Gene symbolH2AFX
Promoter region (-700 TSS +300)Get sequence
Previous Symbol/sH2AX
Aliases
GeneID3014
Chromosomal location11q23.3
HGNC4739
UnigeneHs.477879
MIM601772
RefSeq mRNANM_002105.2
RefSeq ProteinNP_002096.1
Disease associations
TypeDiseasePMID
CancerB cell chronic lymphocytic leukemia11426547
CancerT cell prolymphocytic leukemia11426547
CancerMantle cell lymphoma11426547
CancerALL19005492

Histone H2A variants Core histone macro-H2A.1, Core histone macro-H2A.2, Histone H2A type 1, Histone H2A type 1-A, Histone H2A type 1-B/E, Histone H2A type 1-C, Histone H2A type 1-D, Histone H2A type 1-H, Histone H2A type 1-J, Histone H2A type 2-A, Histone H2A type 2-B, Histone H2A type 2-C, Histone H2A type 3, Histone H2A-Bbd type 1, Histone H2A-Bbd type 2/3, Histone H2A.J, Histone H2A.V, Histone H2A.x, Histone H2A.Z