. . . . . . . . "Proton donor/acceptor" . "255"^^ . . "255"^^ . . "An active site occurs in NX_P46597-1 at amino acids 255 - 255." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-04T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "1" . . .