>sp|A5I731|REX_CLOBH Redox-sensing transcriptional repressor Rex OS=Clostridium botulinum GN=rex MDKKKNISMAVIRRLPKYHRYLYELLKNDVDRISSKELSEKIGFTASQIRQDLNCFGDFG QQGYGYNVSELHHQISNILGLNNPYNIIIIGAGNIGQALANYTRFSKLGFNVKAMFDTNP KLIGLKIREIEILDIDYLSSYLEKNNIDIGIICVPHDNAQKVANILVKNDIKGIWNFAPI DLSVPEDVVVENVHLSDSLLTLTCLINKTE