>sp|A7FYQ1|REX_CLOB1 Redox-sensing transcriptional repressor Rex OS=Clostridium botulinum GN=rex MDKKKNISMAVIRRLPKYHRYLYELLKNDVDRISSKELSEKIGFTASQIRQDLNCFGDFG QQGYGYNVSELHHQISNILGLNNPYNIIIIGAGNIGQALANYTRFSKLGFNVKAMFDTNP KLIGLKIREIEILDIDYLSSYLEKNNIDIGIICVPHDNAQKVANILVKNDIKGIWNFAPI DLSVPEDVVVENVHLSDSLLTLTCLINKTE