3beta(or 20alpha)-hydroxysteroid dehydrogenase

In enzymology, a 3-β(or 20-α)-hydroxysteroid dehydrogenase () is an enzyme that catalyzes the chemical reaction
This enzyme possesses the combined activities of the 3-β-hydroxysteroid dehydrogenase/Δ-5-4 isomerase and 20-α-hydroxysteroid dehydrogenase enzymes.