title: Studies of macromolecular structure by  13 C nuclear magnetic resonance. II. A specific labeling approach to the study of histidine residues in proteins.
mesh_terms: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D003903:Deuterium; D004926:Escherichia coli; D006639:Histidine; D007553:Isotope Labeling; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D013329:Structure-Activity Relationship
chemical_list: D001426:Bacterial Proteins; D002247:Carbon Isotopes; D006639:Histidine; D003903:Deuterium