title: Carbon-13 nuclear magnetic resonance relaxation studies of internal mobility of the polypeptide chain in basic pancreatic trypsin inhibitor and a selectively reduced analogue.
mesh_terms: D007611:Aprotinin; D002247:Carbon Isotopes; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical; D010084:Oxidation-Reduction; D010455:Peptides / Q000032:analysis; D011487:Protein Conformation
chemical_list: D002247:Carbon Isotopes; D010455:Peptides; D007611:Aprotinin