title: Direct photo-affinity labeling with cyclic nucleotides: action spectra.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism / Q000528:radiation effects*; D006152:Cyclic GMP / Q000378:metabolism / Q000528:radiation effects*; D066298:In Vitro Techniques; D008297:Male; D012756:Sheep; D014466:Ultraviolet Rays
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP