>sp|B7N2X2|RPOZ_ECO81 DNA-directed RNA polymerase subunit omega OS=Escherichia coli O81 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR