title: Electron paramagnetic resonance probing of macromolecules: a comparison of structure-function relationships in chymotrypsinogen,  -chymotrypsin and anhydrochymotrypsin.
mesh_terms: D000081:Acetamides; D000215:Acylation; D002918:Chymotrypsin; D002919:Chymotrypsinogen; D004578:Electron Spin Resonance Spectroscopy; D004789:Enzyme Activation; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D007093:Imidazoles; D007211:Indoles; D007700:Kinetics; D046911:Macromolecular Substances; D008715:Methionine; D011487:Protein Conformation; D012399:Rotation; D012694:Serine; D013057:Spectrum Analysis; D013329:Structure-Activity Relationship; D014105:Tosyl Compounds
chemical_list: D000081:Acetamides; D007093:Imidazoles; D007211:Indoles; D046911:Macromolecular Substances; D014105:Tosyl Compounds; D012694:Serine; D006639:Histidine; D002919:Chymotrypsinogen; D008715:Methionine; D002918:Chymotrypsin; C000653:anhydrochymotrypsin