pyridoxal + NAD(+) <=> 4-pyridoxolactone + NADH + H(+)
pyridoxal + nad(+) <=> 4-pyridoxolactone + nadh + h(+)
pyridoxal + NAD(+) <=> 4-pyridoxolactone + NADH + H(+)
pyridoxal + nad(+) <=> 4-pyridoxolactone + nadh + h(+)