title: Triplet-triplet energy transfer in proteins as a criterion of proximity.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002256:Carbonic Anhydrases; D002417:Cattle; D002856:Chromatophores; D004735:Energy Transfer; D004912:Erythrocytes / Q000201:enzymology; D066298:In Vitro Techniques; D008163:Luminescent Measurements; D013053:Spectrophotometry; D013449:Sulfonamides; D014364:Tryptophan
chemical_list: D013449:Sulfonamides; D014364:Tryptophan; D002256:Carbonic Anhydrases