ID 1.1.1.132 DE GDP-mannose 6-dehydrogenase. CA GDP-alpha-D-mannose + H2O + 2 NAD(+) = GDP-alpha-D-mannuronate + 3 H(+) + CA 2 NADH. CC -!- Also uses the corresponding deoxynucleoside diphosphate derivative as CC a substrate. DR P51585, ALGD_AZOVI ; P11759, ALGD_PSEAE ; Q88NC4, ALGD_PSEPK ; DR O07299, ALGD_PSESH ; Q887P8, ALGD_PSESM ; P59793, ALGD_PSESY ; //