>sp|P0AF66|NSRR_SHIFL HTH-type transcriptional repressor NsrR OS=Shigella flexneri GN=nsrR MQLTSFTDYGLRALIYMASLPEGRMTSISEVTDVYGVSRNHMVKIINQLSRAGYVTAVRG KNGGIRLGKPASAIRIGDVVRELEPLSLVNCSSEFCHITPACRLKQALSKAVQSFLTELD NYTLADLVEENQPLYKLLLVE