at ph 9.0 , apparent michaelis constants were 0.8 , 1.3 , and 2.3 microm for estradiol-17 beta , testosterone , and 20 alpha-dihydroprogesterone , respectively , 17 beta-hsd activity with testosterone was inhibited by estradiol-17 beta , 5 alpha-dihydrotestosterone , 5 beta-dihydrotestosterone , 20 alpha-dihydroprogesterone , and progesterone .
C0012311
20
C0033308
progesterone