>sp|Q08530|BTR_BORPE Transcriptional regulatory protein btr OS=Bordetella pertussis GN=btr MQRRVPLSPDAAHCSSCMLGHVCVPVGMPANEVEKLDELVKERVRVERGKTLYELDDPLD AVYGVRFGSLKTQLEDSSGQLQITGFHLPGEIVGLDGMIESKHVSSAVALEDSEVCVIRL PEIDRVSTQLPSLQQQFRRLMSREITRSHQMLATVGAMRSEQRLAAFLLNLSQRYAALGY SSTEFVLRMSREEIGNYLGLTLETVSRLFSRFGREGLIRINQREVRLIDLPGLKQLIGQE SC