title: Direct photoaffinity labeling with cyclic nucleotides.
mesh_terms: D000345:Affinity Labels; D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism*; D006152:Cyclic GMP / Q000378:metabolism*; D008297:Male; D008722:Methods; D010777:Photochemistry; D011132:Polyribosomes / Q000378:metabolism; D011956:Receptors, Cell Surface / Q000378:metabolism*; D011953:Receptors, Cyclic AMP / Q000378:metabolism*; D012756:Sheep; D013737:Testis / Q000378:metabolism
chemical_list: D000345:Affinity Labels; D011956:Receptors, Cell Surface; D011953:Receptors, Cyclic AMP; D000242:Cyclic AMP; D006152:Cyclic GMP