>sp|Q3IYV6|RPOE_CERS4 ECF RNA polymerase sigma factor RpoE OS=Cereibacter sphaeroides GN=rpoE MTDKSDRTDWVALMRAIRDHRDEAAFAELFQHFAPKVKGFLMKSGSVASQAEECAQDVMA TVWQKAHLFDPSRASVATWIFTIARNRRIDGLRKDRQPEPEDLFWGPDSEPDQADVYEMQ QENARLGRAIARLPEAQRALIERAFFGDLTHRELAAETGLPLGTIKSRIRLALDRLRQHM S