title: Urea denaturation of active-site spin-labeled  -chymotrypsin.
mesh_terms: D001665:Binding Sites; D002918:Chymotrypsin / Q000037:antagonists & inhibitors; D003497:Cyclic N-Oxides; D004578:Electron Spin Resonance Spectroscopy; D005461:Fluorine; D006863:Hydrogen-Ion Concentration; D009943:Organophosphorus Compounds; D010880:Piperidines; D011489:Protein Denaturation; D011758:Pyrroles; D014508:Urea
chemical_list: D003497:Cyclic N-Oxides; D009943:Organophosphorus Compounds; D010880:Piperidines; D011758:Pyrroles; D005461:Fluorine; D014508:Urea; D002918:Chymotrypsin