>tr|A0A133P7H9|A0A133P7H9_LACGS Redox-sensing transcriptional repressor Rex OS=Lactobacillus gasseri GN=rex MDEIKIPKATARRLPLYYRYLIFLNDEGKEKVSSTELAEAVQVDSASIRRDFSYFGALGK RGYGYDVKNLLNFFKKILNQDTLTNVALVGVGNMGHALLNYNFKRTNNIRISAAFDINPE ITGTIMSGVPVYDMSEMKKQLREQQITIAILCVPQTAAQKTANEMFDAGIKGIMNFTPLR LSAPSSVRVQNVDLATELQTLIYFLDSDKDKNKK