title: Crystal structure of steroids: molecular conformation and biological function.
mesh_terms: D000818:Animals; D001665:Binding Sites; D003276:Contraceptives, Oral; D004967:Estrogens / Q000096:biosynthesis; D006003:Glycogen / Q000378:metabolism; D006728:Hormones / Q000494:pharmacology; D006860:Hydrogen Bonding; D008958:Models, Molecular; D008968:Molecular Conformation; D009905:Optical Rotatory Dispersion; D011278:Pregnanes; D051381:Rats; D013256:Steroids / Q000494:pharmacology; D013329:Structure-Activity Relationship; D014961:X-Ray Diffraction
chemical_list: D003276:Contraceptives, Oral; D004967:Estrogens; D006728:Hormones; D011278:Pregnanes; D013256:Steroids; D006003:Glycogen