title: Na+ gradient-coupled porters of EScherichia coli share a common subunit.
mesh_terms: D001692:Biological Transport / Q000187:drug effects; D002352:Carrier Proteins / Q000235:genetics / Q000378:metabolism*; D002462:Cell Membrane / Q000378:metabolism; D002876:Chromosomes, Bacterial; D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism*; D005971:Glutamates / Q000378:metabolism; D018698:Glutamic Acid; D046911:Macromolecular Substances; D009154:Mutation; D012964:Sodium / Q000378:metabolism; D017923:Sodium-Hydrogen Exchangers; D013045:Species Specificity
chemical_list: D002352:Carrier Proteins; D005971:Glutamates; D046911:Macromolecular Substances; D017923:Sodium-Hydrogen Exchangers; D018698:Glutamic Acid; D012964:Sodium