>tr|D1YKA5|D1YKA5_LACGS Redox-sensing transcriptional repressor Rex OS=Lactobacillus gasseri 224-1 GN=rex MDEIKIPKATARRLPLYYRYLIFLNDEGKEKVSSTELAEAVQVDSASIRRDFSYFGALGK RGYGYDVKNLLNFFKKILNQDTLTNVALVGVGNMGHALLNYNFKRTNNIRISAAFDINPE ITGTIMSGVPVYDMSEMKKQLREQQITIAILCVPQTAAQKTANEMFDAGIKGIMNFTPLR LSAPSSVRVQNVDLATELQTLIYFLDSDKDKNKK