title: Study of nitrogen-15-labeled amino acids and peptides by nuclear magnetic resonance spectroscopy.
mesh_terms: D000596:Amino Acids; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D003903:Deuterium; D004151:Dipeptides; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D008961:Models, Structural; D009587:Nitrogen Isotopes; D010455:Peptides; D011392:Proline; D011487:Protein Conformation; D011522:Protons; D013237:Stereoisomerism; D014634:Valinomycin
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D004151:Dipeptides; D009587:Nitrogen Isotopes; D010455:Peptides; D011522:Protons; D014634:Valinomycin; D011392:Proline; D003903:Deuterium