the binding is characterized by high affinity ( kd = 2 x 10 ( -9 ) m ) and specificity ( r 5020 = progesterone greater than testosterone = dehydrotestosterone greater than hydroxyprogesterone greater than cortisol = dexamethasone greater than estradiol ) appropriate for progesterone receptors .
C0033308
progesterone
C0020387
hydroxyprogesterone