3beta(or 20alpha)-hydroxysteroid Dehydrogenase

In enzymology, a 3-β(or 20-α)-hydroxysteroid dehydrogenase (EC 1.1.1.210) is a putative enzyme that possesses the combined activities of the 3-β-hydroxysteroid dehydrogenase/Δ-5-4 isomerase and 20-α-hydroxysteroid dehydrogenase enzymes.