>tr|A0A0D1AGB2|A0A0D1AGB2_CLOBO Redox-sensing transcriptional repressor Rex OS=Clostridium botulinum B2 450 GN=rex MDKKKNISMAVIRRLPKYHRYLYELLKNDVDRISSKELSEKIGFTASQIRQDLNCFGDFG QQGYGYNVSELHHQISNILGLNNPYNIIIIGAGNIGQALANYTRFSKLGFNVKAMFDTNP KLIGLKIREIEILDIDYLSSYLEKNNIDIGIICVPHDNAQKVANILVKNDIKGIWNFAPI DLSVPEDVVVENVHLSDSLLTLTCLINKTE