>tr|F4VMG9|F4VMG9_ECOLX HTH-type transcriptional repressor NsrR OS=Escherichia coli H591 GN=nsrR MQLTSFTDYGLRALIYMASLPEGRMTSISEVTDVYGVSRNHMVKIINQLSRAGYVTAVRG KNGGIRLGKPASAIRIGDVVRELEPLSLVNCSSEFCHITPACRLKQALSKAVQSFLTELD NYTLADLVEENQPLYKLLLVE