>sp|P59640|BTSR_SHIFL Transcriptional regulatory protein BtsR OS=Shigella flexneri OX=623 GN=btsR PE=3 SV=1 MIKVLIVDDEPLARENLRIFLQEQSDIEIVGECSNAVEGIGAVHKLRPDVLFLDIQMPRI SGLEMVGMLDPEHRPYIVFLTAFDEYAIKAFEEHAFDYLLKPIDEARLEKTLARLRQERS KQDVSLLPENQQALKFIPCTGHSRIYLLQMKDVAFVSSRMSGVYVTSHEGKEGFTELTLR TLESRTPLLRCHRQYLVNLAHLQEIRLEDNGQAELILRNGLTVPVSRRYLKSLKEAIGL