>sp|B7LVL1|RPOZ_ESCF3 DNA-directed RNA polymerase subunit omega OS=Escherichia fergusonii GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR