>sp|Q9X1E1|REX2_THEMA Redox-sensing transcriptional repressor Rex 2 OS=Thermotoga maritima GN=rex2 MAEMIHLPRSTFERLKMYRKVLEATKKPYISSDEIARFLEINPDLVRKDFSYLNCQGKPR VGYDVEELRKELDDLFGVNNTTNMIIVGANDLARALLSLDFSKAGVKVVAVFDTERENVG KFIGEFAVRELDVLERVIRRFDAEIAALCVSKDRAQATAEFLIEKGIKAVWNFTGVHLDL PEGVIVVEEDLTQSLLTIKHLLKK