title: Photoaffinity labeling with cyclic nucleotides.
mesh_terms: D000311:Adrenal Glands / Q000378:metabolism / Q000528:radiation effects; D000818:Animals; D002417:Cattle; D000242:Cyclic AMP / Q000378:metabolism* / Q000528:radiation effects; D006152:Cyclic GMP / Q000378:metabolism; D004355:Drug Stability; D007700:Kinetics; D046911:Macromolecular Substances; D008297:Male; D010777:Photochemistry; D011830:Radiation Effects; D011955:Receptors, Drug / Q000528:radiation effects*; D012756:Sheep; D013329:Structure-Activity Relationship; D013737:Testis / Q000378:metabolism / Q000528:radiation effects; D014316:Tritium; D014466:Ultraviolet Rays
chemical_list: D046911:Macromolecular Substances; D011955:Receptors, Drug; D014316:Tritium; D000242:Cyclic AMP; D006152:Cyclic GMP