title: ESR probing of macromolecules: function and operation of structural units within the active site of alpha-chymotrypsin.
mesh_terms: D000577:Amides; D001665:Binding Sites; D002918:Chymotrypsin / Q000032:analysis*; D003497:Cyclic N-Oxides; D004578:Electron Spin Resonance Spectroscopy; D004952:Esters / Q000138:chemical synthesis; D005609:Free Radicals; D007211:Indoles; D008298:Maleates; D010880:Piperidines; D013386:Succinates
chemical_list: D000577:Amides; D003497:Cyclic N-Oxides; D004952:Esters; D005609:Free Radicals; D007211:Indoles; D008298:Maleates; D010880:Piperidines; D013386:Succinates; D002918:Chymotrypsin