>tr|F4V7Y6|F4V7Y6_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli TA280 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR