>tr|A0A0E0Y523|A0A0E0Y523_ECO1C HTH-type transcriptional repressor NsrR OS=Escherichia coli O104:H4 GN=nsrR MQLTSFTDYGLRALIYMASLPEGRMTSISEVTDVYGVSRNHMVKIINQLSRAGYVTAVRG KNGGIRLGKPASAIRIGDVVRELEPLSLVNCSSEFCHITPACRLKQALSKAVQSFLTELD NYTLADLVEENQPLYKLLLVE