>sp|B7NQ13|RPOZ_ECO7I DNA-directed RNA polymerase subunit omega OS=Escherichia coli O7:K1 GN=rpoZ MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLIN NQILDVRERQEQQEQEAAELQAVTAIAEGRR