>tr|E1IX97|E1IX97_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli MS 145-7 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR