>sp|Q5SHS3|REX_THET8 Redox-sensing transcriptional repressor Rex OS=Thermus thermophilus GN=rex MKVPEAAISRLITYLRILEELEAQGVHRTSSEQLGELAQVTAFQVRKDLSYFGSYGTRGV GYTVPVLKRELRHILGLNRKWGLCIVGMGRLGSALADYPGFGESFELRGFFDVDPEKVGR PVRGGVIEHVDLLPQRVPGRIEIALLTVPREAAQKAADLLVAAGIKGILNFAPVVLEVPK EVAVENVDFLAGLTRLSFAILNPKWREEMMG