5alpha-pregnane-3,20-dione + NADH + H(+) => 5alpha-pregnan-20beta-ol-3-one + NAD(+)
5alpha-pregnane-3,20-dione + nadh + h(+) => 5alpha-pregnan-20beta-ol-3-one + nad(+)
5alpha-pregnane-3,20-dione + NADH + H(+) => 5alpha-pregnan-20beta-ol-3-one + NAD(+)
5alpha-pregnane-3,20-dione + nadh + h(+) => 5alpha-pregnan-20beta-ol-3-one + nad(+)