title: Equilibrium ratios of cis- and trans-proline conformers in fragments of ribonuclease A from nuclear magnetic resonance spectra of adjacent tyrosine ring resonances.
mesh_terms: D004722:Endoribonucleases; D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D010446:Peptide Fragments; D011392:Proline; D012259:Ribonuclease, Pancreatic; D014443:Tyrosine
chemical_list: D010446:Peptide Fragments; D014443:Tyrosine; D011392:Proline; D004722:Endoribonucleases; D012259:Ribonuclease, Pancreatic