in male sex accessory organs the active androgen 5 alpha-dihydrotestosterone ( dht ) is metabolized to 5 alpha-androstane-3 alpha , 17 beta-diol ( 3 alpha-diol ) and 5 alpha-androstane-3 beta , 17 beta-diol ( 3 beta-diol ) by the reductase activities of 3 alpha-hydroxysteroid oxidoreductase ( 3 alpha-hsor ; ec 1.1.1.50 ) and 3 beta-hydroxysteroid oxidoreductase ( 3 beta-hsor ; ec 1.1.1.51 ) .
C0020392
hydroxysteroid oxidoreductase
C0000413
3 beta-hydroxysteroid oxidoreductase