title: A study of the dynamic state of histidine residues in tryptophan synthetase subunit by  13 C nuclear magnetic resonance.
mesh_terms: D002247:Carbon Isotopes; D055598:Chemical Phenomena; D002621:Chemistry; D003903:Deuterium; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli; D006639:Histidine; D006836:Hydro-Lyases; D009682:Magnetic Resonance Spectroscopy; D012967:Sodium Dodecyl Sulfate; D013057:Spectrum Analysis; D014367:Tryptophan Synthase
chemical_list: D002247:Carbon Isotopes; D012967:Sodium Dodecyl Sulfate; D006639:Histidine; D003903:Deuterium; D006836:Hydro-Lyases; D014367:Tryptophan Synthase