Reaction catalyzed by 21-hydroxysteroid dehydrogenase (NADP+) (1.1.1.151) No sequence available
+
NADPH
=
+
NADP+
pregn-4-ene-3,20,21-trione
+
NADPH
=
21-hydroxy-pregn-4-ene-3,20-dione
+
NADP+