ID 1.2.1.102 DE isopyridoxal dehydrogenase (5-pyridoxate-forming). CA H2O + isopyridoxal + NAD(+) = 5-pyridoxate + 2 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 1.1.1.416. //