>tr|A0A3L0W372|A0A3L0W372_ECOLX DNA-directed RNA polymerase subunit omega OS=Escherichia coli GN=rpoZ MARVTVEDAVKQVGNRFDLVLVAARRARQIAVQGKDPLVDEENDKPTVIALREIELGLVN NQVMDTQDRYEQQEQEAAELAAVAAIAEGRG