. . . . . . . . "Proton acceptor" . "236"^^ . . "236"^^ . . "An active site occurs in NX_O00141-3 at amino acids 236 - 236." . . . . . "neXtProt gold" . . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "2" . . .