3 alpha-hydroxysteroid: NAD oxidoreductase activity in crystalline preparations of 20 beta-hydroxysteroid: NAD oxidoreductase.
D000429:Alcohol Oxidoreductases; D000731:Androstanes; D006913:Hydroxysteroid Dehydrogenases; D007700:Kinetics; D009243:NAD; D011278:Pregnanes
D000731:Androstanes; D011278:Pregnanes; D009243:NAD; D000429:Alcohol Oxidoreductases; D006913:Hydroxysteroid Dehydrogenases