Reaction catalyzed by 12alpha-hydroxysteroid dehydrogenase (1.1.1.176)
+
NADP+
=
+
NADPH
+
12-oxochenodeoxycholic acid
+
NADP+
=
(3alpha,5beta,7alpha,12alpha)-3,7,12-trihydroxycholan-24-oic acid
+
NADPH
+
H+
