>sp|A7ZTK1|RPOZ_ECO24 DNA-directed RNA polymerase subunit omega OS=Escherichia coli O139:H28 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR