. . . . . . . . . "221"^^ . . "221"^^ . . "Cysteine sulfenic acid (-SOH) modification of amino acid 221 of NX_P05164-2" . . . . . . . "neXtProt gold" . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .