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Tyrosine 142 phosphorylation is mediated by WSTF tyrosine kinase which has no homology to any known kinase fold. This represents a separate mechanism for DNA damage response other than S139 phosphorylation of H2A.X.(PMID: 19092802).

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H2AY142ph infosheet
Modified variants Histone H2A.x
Writer/s Tyrosine-protein kinase BAZ1B
Eraser/s Eyes absent homolog 1, Eyes absent homolog 2, Eyes absent homolog 3
Disease associationsNo disease associations known for H2AY142ph

Sites of serine/threonine/tyrosine phosphorylation H1S171ph, H1S172ph, H1S17ph, H1S186ph, H1S188ph, H1S26ph, H1T10ph, H1T137ph, H1T145ph, H1T153ph, H1T154ph, H1T17ph, H1T30ph, H2AS137ph, H2AS139ph, H2AS1ph, H2AT120ph, H2AY142ph, H2BS14ph, H3S10ph, H3S28ph, H3S31ph, H3S6ph, H3T11ph, H3T3ph, H3T45ph, H3T6ph, H3Y41ph, H4S1ph