. . . . . . . . "Proton acceptor" . "244"^^ . . "244"^^ . . "An active site occurs in NX_P49840-1 at amino acids 244 - 244." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .