. . . . . . . . . "509"^^ . . "509"^^ . . "Phosphoserine; by RPS6KA1 modification of amino acid 509 of NX_O75030-6" . . . . . . . "neXtProt gold" . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .