title: Polarity and enzyme functions in mutants of the first three genes of the tryptophan operon of Escherichia coli.
mesh_terms: D000166:Acridines / Q000494:pharmacology; D002874:Chromosome Mapping; D003090:Coliphages; D004926:Escherichia coli / Q000201:enzymology*; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D006836:Hydro-Lyases; D009154:Mutation / Q000187:drug effects / Q000528:radiation effects; D009604:Nitrosoguanidines / Q000494:pharmacology; D009876:Operon; D010452:Peptide Biosynthesis; D010443:Peptide Chain Termination, Translational; D011830:Radiation Effects; D013489:Suppression, Genetic; D014161:Transduction, Genetic; D014364:Tryptophan / Q000378:metabolism*; D014466:Ultraviolet Rays; D062367:ortho-Aminobenzoates
chemical_list: D000166:Acridines; D009604:Nitrosoguanidines; D062367:ortho-Aminobenzoates; D014364:Tryptophan; D006836:Hydro-Lyases