17beta-hydroxy-5alpha-androstan-3-one + NADH + H(+) => 5alpha-androstane-3alpha,17beta-diol + NAD(+)
17beta-hydroxy-5alpha-androstan-3-one + nadh + h(+) => 5alpha-androstane-3alpha,17beta-diol + nad(+)
17beta-hydroxy-5alpha-androstan-3-one + NADH + H(+) => 5alpha-androstane-3alpha,17beta-diol + NAD(+)
17beta-hydroxy-5alpha-androstan-3-one + nadh + h(+) => 5alpha-androstane-3alpha,17beta-diol + nad(+)