title: Conformational changes and association of chemically modified chymotrypsins.
mesh_terms: D001557:Benzenesulfonates; D001665:Binding Sites; D002850:Chromatography, Gel; D002918:Chymotrypsin; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D008715:Methionine; D008970:Molecular Weight; D009574:Nitro Compounds; D009905:Optical Rotatory Dispersion; D010636:Phenols; D011485:Protein Binding; D011487:Protein Conformation; D012694:Serine; D013056:Spectrophotometry, Ultraviolet; D014105:Tosyl Compounds; D014461:Ultracentrifugation
chemical_list: D001557:Benzenesulfonates; D009574:Nitro Compounds; D010636:Phenols; D014105:Tosyl Compounds; D012694:Serine; D006639:Histidine; D008715:Methionine; D002918:Chymotrypsin