title: Spin label investigations of alpha-chymotrypsin active site structure in single crystals.
mesh_terms: D001665:Binding Sites; D002918:Chymotrypsin; D003461:Crystallography; D004578:Electron Spin Resonance Spectroscopy; D007700:Kinetics; D008958:Models, Molecular; D011487:Protein Conformation; D013113:Spin Labels
chemical_list: D013113:Spin Labels; D002918:Chymotrypsin