title: 13C NMR studies of ribonuclease A methylated with [13C]Formaldehyde.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002417:Cattle; D005557:Formaldehyde; D007700:Kinetics; D008239:Lysine; D009682:Magnetic Resonance Spectroscopy; D008745:Methylation; D010179:Pancreas / Q000201:enzymology; D012260:Ribonucleases / Q000378:metabolism
chemical_list: D002247:Carbon Isotopes; D005557:Formaldehyde; D012260:Ribonucleases; D008239:Lysine