title: Chemical modification in the active site of delta-chymotrypsin.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D001665:Binding Sites; D002250:Carbon Radioisotopes; D055598:Chemical Phenomena; D002621:Chemistry; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002918:Chymotrypsin / Q000032:analysis*; D004590:Electrophoresis, Paper; D006639:Histidine; D006868:Hydrolysis; D007700:Kinetics; D009682:Magnetic Resonance Spectroscopy; D008314:Malonates; D013058:Mass Spectrometry; D008715:Methionine; D008722:Methods; D008970:Molecular Weight; D010446:Peptide Fragments; D010455:Peptides / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors; D014461:Ultracentrifugation
chemical_list: D000596:Amino Acids; D002250:Carbon Radioisotopes; D008314:Malonates; D010446:Peptide Fragments; D010455:Peptides; D006639:Histidine; D008715:Methionine; D002918:Chymotrypsin