title: Fluorescence and the state of the tryptophan residues in papain.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D005453:Fluorescence; D006863:Hydrogen-Ion Concentration; D008956:Models, Chemical; D010206:Papain; D011489:Protein Denaturation; D014364:Tryptophan; D014508:Urea
chemical_list: D014364:Tryptophan; D014508:Urea; D010206:Papain