title: Genetic and biochemical studies of enzymatically active subunits of E. coli tryptophan synthetase.
mesh_terms: D001665:Binding Sites; D003545:Cysteine; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology; D005994:Glycerophosphates; D006639:Histidine; D006836:Hydro-Lyases; D007211:Indoles; D007527:Isoenzymes; D008094:Lithium; D008715:Methionine; D011188:Potassium; D000644:Quaternary Ammonium Compounds; D012694:Serine; D012964:Sodium; D014364:Tryptophan / Q000096:biosynthesis*
chemical_list: D005994:Glycerophosphates; D007211:Indoles; D007527:Isoenzymes; D000644:Quaternary Ammonium Compounds; D012694:Serine; D006639:Histidine; D014364:Tryptophan; D008094:Lithium; D012964:Sodium; D008715:Methionine; D006836:Hydro-Lyases; D003545:Cysteine; D011188:Potassium