. . . . . . . . "Loss of tyrosine phosphatase activity toward H2AX." . "263"^^ . . "263"^^ . . "Mutagenesis site occurs in NX_Q99504-3 at amino acids 263 - 263." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "3" . . .