Reaction catalyzed by 3alpha(or 20beta)-hydroxysteroid dehydrogenase (1.1.1.53) show all sequences for 1.1.1.53
+
NADPH
=
+
NADP+
pregnenolone
+
NADPH
=
3beta,20beta-Dihydroxypregn-5-ene
+
NADP+