Steroid 5 Alpha-Reductase

**Semantic type:** Classification

**Definition:** A family of enzymes that catalyze the conversion of 3-oxo-delta4-steroids into 3-oxo-5-alpha-steroids.

**Synonyms:** - 3-Oxo-5 Alpha-Steroid Delta 4-Dehydrogenase - 3-Oxo-5-Alpha-Steroid 4-Dehydrogenase - 3-Oxo-5alpha-Steroid 4-Dehydrogenase - 5 Alpha-Reductase - 5 Alpha-SR - 5a-R - 5a-Reductase - 5alpha-R - S5AR - SRD5A - Steroid 5-Alpha-Reductase - Steroid-5-Alpha-Reductase