ID 1.1.1.57 DE Fructuronate reductase. AN D-mannonate dehydrogenase. AN D-mannonate oxidoreductase. AN Mannonic dehydrogenase. CA D-mannonate + NAD(+) = D-fructuronate + NADH. CC -!- Also reduces D-tagaturonate. PR PROSITE; PDOC00751; DR P39160, UXUB_ECOLI ; Q9WXS3, UXUB_THEMA ; //