Compound as reactive (1)
(20S)-17,20-dihydroxypregn-4-en-3-one + NAD+ → 17-α-hydroxyprogesterone + NADH + H+
Compound as product (1)
pregnenolone + NADH + oxygen → H2O + (20S)-17,20-dihydroxypregn-4-en-3-one + NAD+
Reversible reaction (1)
NAD(P)+ + (20S)-17,20-dihydroxypregn-4-en-3-one ↔ 17-α-hydroxyprogesterone + NAD(P)H + H+