>bbr:BB1904 RNA polymerase sigma factor; K03088 RNA polymerase sigma-70 factor, ECF subfamily (A) MKACSPSSGMCGRDKVAALYQEHHAWLRSWLGYRLHSWGRCVAEDLAHDIFVRMLAAHRL DQMIERPRAYLAVAAKGVLVSWLRRQSLERAWLETLQALPPAMHPSPERQALALETLHGI DAALDTLRPCIKRVFLMAVLGGMKQRDIAHAMDIAIPTVKRYMRQAYVACLHLMPDD