title: High resolution nuclear magnetic resonance studies of the active site of chymotrypsin. II. Polarization of histidine 57 by substrate analogues and competitive inhibitors.
mesh_terms: D001224:Aspartic Acid; D001665:Binding Sites; D001888:Boric Acids; D001897:Boronic Acids; D002264:Carboxylic Acids; D002918:Chymotrypsin / Q000037:antagonists & inhibitors; D002919:Chymotrypsinogen; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D013381:Subtilisins; D014361:Trypsin Inhibitors
chemical_list: D001888:Boric Acids; D001897:Boronic Acids; D002264:Carboxylic Acids; D014361:Trypsin Inhibitors; D001224:Aspartic Acid; D006639:Histidine; D002919:Chymotrypsinogen; D013381:Subtilisins; D002918:Chymotrypsin