title: Selectively enriched 13C-labeled proline-7 and 13C-labeled leucine-8 ocytocins as probes for the analysis of peptide hormone interactions with bovine neurophysin I using 13C nuclear magnetic resonance spectroscopy.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002247:Carbon Isotopes; D002417:Cattle; D007930:Leucine; D009682:Magnetic Resonance Spectroscopy; D009481:Neurophysins; D010121:Oxytocin; D011392:Proline; D011485:Protein Binding; D011487:Protein Conformation
chemical_list: D002247:Carbon Isotopes; D009481:Neurophysins; D010121:Oxytocin; D011392:Proline; D007930:Leucine