title: How enzymes work.
mesh_terms: D001224:Aspartic Acid; D001412:Bacillus subtilis; D002268:Carboxypeptidases; D002918:Chymotrypsin; D010450:Endopeptidases; D014961:X-Ray Diffraction
chemical_list: D001224:Aspartic Acid; D002268:Carboxypeptidases; D010450:Endopeptidases; D002918:Chymotrypsin