ID 1.1.1.416 DE isopyridoxal dehydrogenase (5-pyridoxolactone-forming). CA isopyridoxal + NAD(+) = 5-pyridoxolactone + H(+) + NADH. CC -!- The enzyme, characterized from the bacterium Arthrobacter sp Cr-7, CC participates in the degradation of pyridoxine. CC -!- The enzyme also catalyzes the activity of EC 1.2.1.102. //