title: [Tryptophan synthetase of . coli. Recent studies on the beta-2 subunits].
mesh_terms: D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology*; D005796:Genes; D005827:Genetics, Microbial; D006836:Hydro-Lyases / Q000032:analysis* / Q000378:metabolism; D009154:Mutation; D011732:Pyridoxal Phosphate / Q000378:metabolism; D012694:Serine / Q000378:metabolism; D014364:Tryptophan / Q000096:biosynthesis*
chemical_list: D012694:Serine; D011732:Pyridoxal Phosphate; D014364:Tryptophan; D006836:Hydro-Lyases