>tr|U9ZMM5|U9ZMM5_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli 909945-2 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR