a 3-oxo-Delta(5)-steroid + NADH + H(+) => a 3beta-hydroxy-Delta(5)-steroid + NAD(+)
a 3-oxo-delta(5)-steroid + nadh + h(+) => a 3beta-hydroxy-delta(5)-steroid + nad(+)
a 3-oxo-Delta(5)-steroid + NADH + H(+) => a 3beta-hydroxy-Delta(5)-steroid + NAD(+)
a 3-oxo-delta(5)-steroid + nadh + h(+) => a 3beta-hydroxy-delta(5)-steroid + nad(+)