ID 1.2.1.23 DE 2-oxoaldehyde dehydrogenase (NAD(+)). AN alpha-ketoaldehyde dehydrogenase. AN methylglyoxal dehydrogenase. CA 2-oxoaldehyde + H2O + NAD(+) = a 2-oxocarboxylate + 2 H(+) + NADH. CC -!- Not identical with EC 1.2.1.49. //