. . . . . . . . . "21"^^ . . "21"^^ . . "N-acetylglutamate; partial modification of amino acid 21 of NX_Q8IWL1-1" . . . . . . . "neXtProt gold" . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .