>sp|Q8XI22|REX_CLOPE Redox-sensing transcriptional repressor Rex OS=Clostridium perfringens GN=rex MEKKKGISMAVIKRLPKYHRYLQELMENDVDRISSKELSEKIGFTASQIRQDLNCFGDFG QQGYGYNVKELYNNIGSILGLTRDYNTVIIGAGNIGQAIANYNSFNRLGFKLKGIFDANP RMFGIKIRDVEIQDVEKLKDFVKENDIEIGIICVPRTNAQKVCNDLVEGGIKGIWNFAPI DLEVPKDIRVENVHLSESMMTLVYLLNHNDVK