title: Protease substrates inhibit binding of 3H-R5020 to the G-fragment in chick oviduct cytosol.
mesh_terms: D000818:Animals; D001120:Arginine / Q000031:analogs & derivatives*; D003600:Cytosol / Q000378:metabolism; D007700:Kinetics; D008970:Molecular Weight; D009649:Norpregnadienes / Q000037:antagonists & inhibitors*; D010057:Oviducts / Q000378:metabolism*; D011397:Promegestone / Q000037:antagonists & inhibitors*; D011980:Receptors, Progesterone / Q000378:metabolism; D013997:Time Factors; D014106:Tosylarginine Methyl Ester / Q000494:pharmacology*; D014364:Tryptophan / Q000031:analogs & derivatives* / Q000494:pharmacology
chemical_list: D009649:Norpregnadienes; D011980:Receptors, Progesterone; C028129:tryptophan methyl ester; D014364:Tryptophan; D014106:Tosylarginine Methyl Ester; D001120:Arginine; D011397:Promegestone