ID 3.6.1.18 DE FAD diphosphatase. AN FAD pyrophosphatase. CA FAD + H2O = AMP + FMN + 2 H(+). CC -!- The plant enzyme also hydrolyzes NAD(+) and NADH; the animal enzyme CC hydrolyzes NAD(+) and CoA at about half of the rate of hydrolysis of CC FAD. CC -!- May be identical with EC 3.6.1.9. DR P93740, NUD23_ARATH; //