Ett oxidoreduktas som katalyserar omvandlingen av föreningar innehållande 5-alfakolestan-3-on till kolest-4-en-3-on-derivatet. Enzymet spelar en stor roll i omvandlingen av testosteron till dihydrotestosteron, och progesteron till dihydroprogesteron. EC 1.3.1.22.
An oxidoreductase that catalyzes the conversion of 3-oxo-delta4 steroids into their corresponding 5alpha form. It plays an important role in the conversion of TESTOSTERONE into DIHYDROTESTOSTERONE and PROGESTERONE into DIHYDROPROGESTERONE.
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5 alpha-Reductase, Cholestenone — Cholestenone 5 alpha Reductase — alpha-Reductase, Cholestenone 5 — 4-Ene Steroid 5 alpha-Reductase — 4 Ene Steroid 5 alpha Reductase — 5 alpha-Reductase — 5 alpha Reductase