Reaction catalyzed by 3(or 17)beta-hydroxysteroid dehydrogenase (1.1.1.51), testosterone 17beta-dehydrogenase (NADP+) (1.1.1.64)
+
NADPH
+
=
+
NADP+
androsterone
+
NADPH
+
H+
=
androstane-3beta,17beta-diol
+
NADP+
