the p-450 eluted from the cm-sephadex column at different points along the buffer concentration gradient , exhibited significant differences in ( 1 ) the 21-hydroxylation of 17 alpha-oh-progesterone compared to progesterone and ( 2 ) the type i spectral change produced by 17 alpha-oh-progesterone compared to that due to delta 4-androstenedione .
C0033308
progesterone
C0020387
17