title: Ligand specificity of progesterone-binding proteins in guinea pig and sheep.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002369:Castration; D002499:Centrifugation, Density Gradient; D003600:Cytosol / Q000378:metabolism; D004355:Drug Stability; D004958:Estradiol; D005260:Female; D006168:Guinea Pigs; D006863:Hydrogen-Ion Concentration; D007525:Isoelectric Focusing; D007700:Kinetics; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D011485:Protein Binding; D011506:Proteins / Q000378:metabolism*; D011869:Radioligand Assay; D011956:Receptors, Cell Surface; D012756:Sheep; D013045:Species Specificity; D013329:Structure-Activity Relationship; D013696:Temperature; D014316:Tritium; D014599:Uterus / Q000166:cytology / Q000378:metabolism*
chemical_list: D011506:Proteins; D011956:Receptors, Cell Surface; D014316:Tritium; D011374:Progesterone; D004958:Estradiol