The participation of the steroid 17beta side chain in binding.
D015068:17-Ketosteroids; D002251:Carbon Tetrachloride; D055598:Chemical Phenomena; D002621:Chemistry; D002627:Chemistry, Physical; D004121:Dimethyl Sulfoxide; D007259:Infrared Rays; D011278:Pregnanes / Q000378:metabolism; D011374:Progesterone / Q000138:chemical synthesis; D011485:Protein Binding; D011522:Protons; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship
D015068:17-Ketosteroids; D011278:Pregnanes; D011522:Protons; D011374:Progesterone; D002251:Carbon Tetrachloride; D004121:Dimethyl Sulfoxide