>tr|W1X2X6|W1X2X6_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli DORA_A_5_14_21 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR