title: Phosphorescence studies of environmental heterogeneity for tryptophyl residues in proteins.
mesh_terms: D000429:Alcohol Oxidoreductases / Q000032:analysis*; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D004735:Energy Transfer; D005453:Fluorescence; D006736:Horses; D008099:Liver / Q000201:enzymology; D008163:Luminescent Measurements; D008956:Models, Chemical; D009243:NAD; D010206:Papain / Q000032:analysis*; D013057:Spectrum Analysis; D014357:Trypsin / Q000032:analysis*; D014364:Tryptophan / Q000032:analysis*; D015003:Yeasts / Q000201:enzymology
chemical_list: D009243:NAD; D014364:Tryptophan; D000429:Alcohol Oxidoreductases; D014357:Trypsin; D010206:Papain