>sp|Q31TA8|NSRR_SHIBS HTH-type transcriptional repressor NsrR OS=Shigella boydii serotype 4 GN=nsrR MQLTSFTDYGLRALIYMASLPEGRMTSISEVTDVYGVSRNHMVKIINQLSRAGYVTAVRG KNGGIRLGKPASAIRIGDVVRELEPLSLVNCSSEFCHITPACRLKQALSKAVQSFLTELD NYTLADLVEENQPLYKLLLVE