>tr|D0R2E7|D0R2E7_LACJF Redox-sensing transcriptional repressor Rex OS=Lactobacillus johnsonii GN=rex MDEIKIPKATARRLPLYYRYLIFLNDEGKEKVSSTELAEAVQVDSASIRRDFSYFGALGK RGYGYDVKNLLNFFKKILNQDTLTNVALVGVGNMGHALLNYNFKRTNNIRISAAFDINPE ITGTIMSGVPVYDMSEMKKQLREQQITIAILCVPQTAAQKTANEMFDAGIKGIMNFTPLR LSAPSSVRVQNVDLATELQTLIYFLDSDKDKNKK