>tr|A0A0E1SZV4|A0A0E1SZV4_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli 53638 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR