title: An ESR study of the active-site conformations of free and immobilized trypsin.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002417:Cattle; D004578:Electron Spin Resonance Spectroscopy; D005898:Glass; D011485:Protein Binding; D011487:Protein Conformation; D012995:Solubility; D013113:Spin Labels; D013997:Time Factors; D014357:Trypsin / Q000032:analysis*
chemical_list: D013113:Spin Labels; D014357:Trypsin