several enzymes including 3 alpha-hydroxysteroid dehydrogenase ( 3 alpha-hsd ) , 3 beta-hydroxysteroid dehydrogenase ( 3 beta-hsd ) , 3-ketosteroid reductase , and dihydrodiol dehydrogenase eluted mainly in the 30,000-40,000 mr fractions known to contain the newly identified bile acid binder ( stolz , a. , sugiyama , y. , kuhlenkamp , j. , and kaplowitz , n. ( 1984 ) febs lett . 177 , 31-35 ) .
C0048751
3 alpha-hydroxysteroid dehydrogenase
C0000413
3