>sp|P24695|RP54_ACIFI RNA polymerase sigma-54 factor OS=Acidithiobacillus ferridurans GN=rpoN MKQGLELKLGQHLAMTPQLQQAIRLLQLSTVDLQQEVQGMLESNPLLDEETGDEGGGGPI PETVELPSEERQLDLAAENILPDELPVDSQWDDIFDMGTSGSGNGSDEDLPDFESRNSRT QSLQDYLRWQADMTHFTADERNMAELIIDAIDERGYLADSLEDLAATMNVQEDALLAVLL RVQDFDPPGVGARNLSECLLLQLKQMVEKDDAHVLLAQRIVKDHLQALGRHDYPRLCTVL GVDEAALRAAMALISALNPKPGEDVGTESTEYVIPDVIVRWAGSRLRTDLNPEAMPKLRI NRHYADMAGGKDAAHKYIQDQLNEARWFIKSLQSRQDTILKVARAIVERQKDFFANGPES MRPMVLRHIADAVEMHESTVSRVTNQKYMITPRGLYEFKYFFSSHVGTDSGGSASATAIR ALLIKMTQAEDAQHPLSDAEIARVLADQGIQIARRTVAKYREAANVPPASQRRRL