>tr|O66858|O66858_AQUAE RNA polymerase sigma factor RpoN OS=Aquifex aeolicus GN=rpoN MLNQRLEVRQKLNLKLLLKQDLELLTYQTQELEKLIHEEVLVNPLIKGVFKKIPKSFEVK ETVPYQIPYTPSELEELQQNIKLELEGKEQELALELLNYLNEKGFLSKSVEEISDVLRCS VEELEKVRQKVLRLEPLGVCSKDVWEFLELQIEEIYPEEEEILKKALRDLKRGKKLKPEI KGKLSRLRLFPLSSSAEKVYTFAKVDAIIEEENGEFFIYLYEDFIDIDLNEEYWELYKKS RNLQKELKEAFERYESIRKVLDIRRRNLRKVLEKIVERQKDFLTGKGSLKPLTLREVSSE IGIHESTLSRIVNSKYVKTPVGTYSLRTFFVRESAEGLTQGELMKLIKEIVENEDKRKPY SDQEIANILKEKGFKVARRTVAKYREMLGIPSSRERRI