title: High field carbon-13 NMR spectroscopy. Conformational mobility in gramicidin S and frequency dependence of 13-C spin-lattice relaxation times.
mesh_terms: D000596:Amino Acids; D002247:Carbon Isotopes; D005583:Fourier Analysis; D006096:Gramicidin; D009682:Magnetic Resonance Spectroscopy; D011487:Protein Conformation
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D006096:Gramicidin