Reaction catalyzed by 3(or 17)beta-hydroxysteroid dehydrogenase (1.1.1.51), 3beta-hydroxy-DELTA5-steroid dehydrogenase (1.1.1.145) show all sequences for 1.1.1.145
+
NAD+
=
+
NADH
+
pregnenolone
+
NAD+
=
progesterone
+
NADH
+
H+