in all subcellular pituitary fractions , 3 alpha-hydroxysteroid dehydrogenase ( 3 alpha-ol dehydrogenase ) activity is high ( 1 to 3 pmol/mg/h ) with nadh or nadph as cofactor , and 3 beta-hydroxysteroid dehydrogenase ( 3 beta-ol dehydrogenase ) activity much lower .
C0048751
3 alpha-hydroxysteroid dehydrogenase
C0000413
3 beta-hydroxysteroid dehydrogenase