20-alpha-Hydroxysteroid Dehydrogenase

**Definition:** An enzymes that catalyzes the reversible reduction-oxidation reaction of 20-alpha-hydroxysteroids, such as from PROGESTERONE to 20-ALPHA-DIHYDROPROGESTERONE.

**Tree numbers:** - D08.811.682.047.150.700.156.937 - D08.811.682.047.820.125.074 - D08.811.682.047.820.284.750

**Synonyms:** - NADPH-Dependent 20 alpha-Hydroxysteroid Oxidoreductase - 20-alpha-HSD - 20 alpha-Hydroxysteroid Dehydrogenase