title: Assignment of the three methionyl carbonyl carbon resonances in Streptomyces subtilisin inhibitor by a carbon-13 and nitrogen-15 double-labeling technique. A new strategy for structural studies of proteins in solution.
mesh_terms: D000595:Amino Acid Sequence; D001426:Bacterial Proteins; D009682:Magnetic Resonance Spectroscopy; D008715:Methionine / Q000032:analysis*; D011480:Protease Inhibitors; D011487:Protein Conformation
chemical_list: D001426:Bacterial Proteins; D011480:Protease Inhibitors; C018150:subtilisin inhibitor protein, Streptomyces; D008715:Methionine