ID 1.1.1.203 DE uronate dehydrogenase. AN uronic acid dehydrogenase. CA (1) beta-D-galacturonate + NAD(+) = D-galactaro-1,5-lactone + H(+) + CA NADH. CA (2) beta-D-glucuronate + NAD(+) = D-glucaro-1,5-lactone + H(+) + NADH. CC -!- The enzyme, characterized from the bacterium Agrobacterium fabrum, CC participates in oxidative degradation pathways for galacturonate and CC glucuronate. CC -!- The enzyme can only accept the beta anomeric form of the substrate. CC -!- The 1,5 lactone product is rather stable at cytosolic pH and does not CC hydrolyze spontaneously at a substantial rate. CC -!- Formerly EC 1.2.1.35. DR Q7CRQ0, URODH_AGRFC; Q88NN6, URODH_PSEPK; Q888H1, URODH_PSESM; //