title: Tryptophan synthetase   chain positions affected by mutations near the ends of the genetic map of trpA of Escherichia coli.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D002852:Chromatography, Ion Exchange; D002854:Chromatography, Paper; D002874:Chromosome Mapping; D004590:Electrophoresis, Paper; D004926:Escherichia coli / Q000201:enzymology; D005796:Genes; D005815:Genetic Code; D005827:Genetics, Microbial; D006836:Hydro-Lyases; D009154:Mutation; D010455:Peptides / Q000302:isolation & purification; D014357:Trypsin; D014367:Tryptophan Synthase / Q000032:analysis
chemical_list: D000596:Amino Acids; D010455:Peptides; D014357:Trypsin; D006836:Hydro-Lyases; D014367:Tryptophan Synthase