title: A Salmonella typhimurium locus involved in the regulation of isoleucine, valine and leucine biosynthesis.
mesh_terms: D000483:Alleles; D002874:Chromosome Mapping; D003434:Crossing Over, Genetic; D004794:Enzyme Repression; D008040:Genetic Linkage; D007532:Isoleucine / Q000096:biosynthesis*; D007930:Leucine / Q000032:analysis / Q000096:biosynthesis* / Q000378:metabolism; D008967:Molecular Biology; D009154:Mutation; D009876:Operon; D011995:Recombination, Genetic; D012486:Salmonella typhimurium / Q000201:enzymology*; D014161:Transduction, Genetic; D014633:Valine / Q000096:biosynthesis*
chemical_list: D007532:Isoleucine; D007930:Leucine; D014633:Valine