>tr|A0A829BQB1|A0A829BQB1_STRMG Global transcriptional regulator Spx OS=Streptococcus mutans SM6 GN=spxA MVTLFLSPSCTSCRKARAWLNRHDVVFQEHNIMTSPLSRDELLKILSYTENGTEDIISTR SKVFQKLDIDVDELSVSELINLISKNPSLLRRPIIMDNKRMQIGFNEDEIRAFLPRDYRK QELRQATIRAEVEGEDD