>tr|F4T9M0|F4T9M0_ECOLX Glutathione-regulated potassium-efflux system ancillary protein KefF OS=Escherichia coli M718 GN=kefF MILIIYAHPYPHHSHANKRMLEQARTLEGVEIRSLYQLYPDFNIDIAAEQEALSRADLIV WQHPMQWYSIPPLLKLWIDKVFSHGWAYGHGGTALHGKHLLWAVTTGGGESHFEIGAHPG FDVLSQPLQATAIYCGLNWLPPFAMHCTFICDDETLEGQARHYKQRLLEWQEAHHG