>tr|A0A024L254|A0A024L254_ECOLX Putative electron transfer flavoprotein subunit alpha OS=Escherichia coli GN=fixB MSQLNSVWVFSDNPERYAELFGGAQQWGQQVYAIVQNTDQAQAVMPYGPKCLYVLAQNDA LQRTENYAESIAALLKDKHPAMLLLAATKRGKALAARLSVQLNAALVNDATAVDIVDGHI CAEHRMYGGLAFAQEKINSPLAIITLAPGVQEPCTSDTSHQCPTETVPYVAPRHEILCRE RRAKAASSVDLSKAKRVVGVGRGLAAQDDLKMVHELAAVLNAEVGCSRPIAEGENWMERE RYIGVSGVLLKSDLYLTLGISGQIQHMVGGNGAKVIVAINKDKNAPIFNYADYGLVGDIY KVVPALISQLSR