title: The association of tryptophan synthetase subunits from Escherichia coli and Salmonella typhimurium in homologous and heterologous combinations.
mesh_terms: D004792:Enzyme Precursors; D004926:Escherichia coli / Q000201:enzymology*; D008968:Molecular Conformation; D012486:Salmonella typhimurium / Q000201:enzymology*; D013045:Species Specificity; D014367:Tryptophan Synthase / Q000378:metabolism*
chemical_list: D004792:Enzyme Precursors; D014367:Tryptophan Synthase