. . . . . . . . . "1973"^^ . . "1973"^^ . . "Phosphoserine; by PKA modification of amino acid 1973 of NX_Q13936-3" . . . . . . . "neXtProt gold" . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "4" . . .