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