>tr|D6JGW2|D6JGW2_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli B354 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR