title: AN ISOMORPHOUS HEAVY ATOM SUBSTITUTION AT THE ACTIVE SITE OF GAMMA-CHYMOTRYPSIN.
mesh_terms: D020134:Catalytic Domain; D002918:Chymotrypsin; D003461:Crystallography; D018360:Crystallography, X-Ray; D004791:Enzyme Inhibitors; D005459:Fluorides; D007454:Iodides; D007455:Iodine; D007456:Iodine Isotopes; D012106:Research; D014961:X-Ray Diffraction
chemical_list: D004791:Enzyme Inhibitors; D007454:Iodides; D007456:Iodine Isotopes; D007455:Iodine; D002918:Chymotrypsin; C117605:gamma-chymotrypsin; D005459:Fluorides
keywords: CHYMOTRYPSIN; CRYSTALLOGRAPHY; ENZYME INHIBITORS; EXPERIMENTAL LAB STUDY; FLUORIDES; IODINE; IODINE ISOTOPES; X-RAY DIFFRACTION