. . . . . . . . "Proton acceptor" . "156"^^ . . "156"^^ . . "An active site occurs in NX_Q8WXR4-6 at amino acids 156 - 156." . . . . . "neXtProt gold" . . . . . . . . . "2014-09-19T00:00:00.0Z"^^ . . . "neXtProt database" . "CALIPHO project" . . . . . "4" . . .