ID 1.1.1.107 DE pyridoxal 4-dehydrogenase. CA pyridoxal + NAD(+) = 4-pyridoxolactone + NADH + H(+). CC -!- The enzyme acts on the hemiacetal form of the substrate. DR Q988B7, PLDH_RHILO ; Q76KC2, PLD_MICLT ; //