>sp|Q71XU1|REX_LISMF Redox-sensing transcriptional repressor Rex OS=Listeria monocytogenes serotype 4b GN=rex MMEETTKIPQATAKRLPLYHRYLKYLDESGKERVSSAELSEAVKVDSATIRRDFSYFGAL GKKGYGYNVSYILDFFSKTLSQDKQTNVALIGVGNLGTALLHYNFMKNNNIKIVAAFDVD PAKVGSVQQDIPIYHLNDMEEIVRENGVEVVILTVPADEAQVTVDRLIEADVKGILNFTP ARISVPKQVRVHHIDLTTELQTLIYFLENYPAKTE