title: High-field 13C nuclear magnetic resonance studies at 90.5 MHz of the basic pancreatic trypsin inhibitor.
mesh_terms: D000596:Amino Acids; D007611:Aprotinin; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D011487:Protein Conformation; D011522:Protons
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D011522:Protons; D007611:Aprotinin