>sp|A8A6B1|RPOZ_ECOHS DNA-directed RNA polymerase subunit omega OS=Escherichia coli O9:H4 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR