>sp|C3KUS0|REX_CLOB6 Redox-sensing transcriptional repressor Rex OS=Clostridium botulinum GN=rex MDKKKNISMAVIRRLPKYHRYLYELLKNDVDRISSKELSEKIGFTASQIRQDLNCFGDFG QQGYGYNVSELHHQISNILGLNNPYNIIIIGAGNIGQALANYTRFSKLGFNVKAMFDTNP KLIGLKIREIEILDIDYLSSYLEKNNIDIGIICVPHDNAQKVANILVKNDIKGIWNFAPI DLSVPEDVVVENVHLSDSLLTLTCLINKTE