the pure enzyme is not specific for estrogenic substrates , it also catalyzes the oxidation-reduction of several androgens and progesterone ( i.e . dehydroepiandrosterone , androstenedione , 5 alpha-dihydrotestosterone , and 20 alpha-dihydroprogesterone ) .
C0033308
progesterone
C0012311
20 alpha-dihydroprogesterone