>sp|A0R8W1|REX_BACAH Redox-sensing transcriptional repressor Rex OS=Bacillus thuringiensis GN=rex MEQQKIPQATAKRLPLYYRFIQNLSLSGKQRVSSAELSEAVKVDSATIRRDFSYFGALGK KGYGYNVNYLLSFFRETLDQDDITRVALIGVGNLGTAFLHYNFTKNNNTKIEMAFDVSEE KVGTEIGGIPVYHLDELEERLSTDIQVAILTVPATVAQSVADRLAETNVHGILNFTPARL NVSESIRIHHIDLAVELQTLVYFLKNYPQ