Reaction catalyzed by 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific) (1.1.1.213)
+
NAD(P)+
=
+
NAD(P)H
+
choloyl-CoA
+
NAD(P)+
=
3-oxocholoyl-CoA
+
NAD(P)H
+
H+
