>sp|C4ZPX2|KEFF_ECOBW Glutathione-regulated potassium-efflux system ancillary protein KefF OS=Escherichia coli GN=kefF MILIIYAHPYPHHSHANKRMLEQARTLEGVEIRSLYQLYPDFNIDIAAEQEALSRADLIV WQHPMQWYSIPPLLKLWIDKVFSHGWAYGHGGTALHGKHLLWAVTTGGGESHFEIGAHPG FDVLSQPLQATAIYCGLNWLPPFAMHCTFICDDETLEGQARHYKQRLLEWQEAHHG