the formation of these metabolites in indicative that the following androstenedione metabolizing enzymes are present in guinea-pig peritoneal macrophages : 5 alpha-reductase , 3 alpha-hydroxysteroid oxidoreductase , 3 beta-hydroxysteroid oxidoreductase and 17 beta-hydroxysteroid oxidoreductase .
C0048751
3 alpha-hydroxysteroid oxidoreductase
C0000413
3