title: Covalent attachment of a progestational steroid to chick oviduct progesterone receptor by photoaffinity labelling.
mesh_terms: D000345:Affinity Labels; D000818:Animals; D002645:Chickens; D005260:Female; D046911:Macromolecular Substances; D008970:Molecular Weight; D009649:Norpregnadienes / Q000378:metabolism*; D010057:Oviducts / Q000378:metabolism*; D010777:Photochemistry; D011397:Promegestone / Q000378:metabolism*; D011980:Receptors, Progesterone / Q000378:metabolism*
chemical_list: D000345:Affinity Labels; D046911:Macromolecular Substances; D009649:Norpregnadienes; D011980:Receptors, Progesterone; D011397:Promegestone