>tr|F4SZC3|F4SZC3_ECOLX Spermidine export protein MdtI OS=Escherichia coli M605 GN=mdtI MAQFEWVHAAWLALAIVLEIVANVFLKFSDGFRRKIFGLLSLAAVLAAFSALSQAVKGID LSVAYALWGGFGIAATLAAGWILFGQRLNRKGWIGLVLLLAGMIMVKLA