>3WGG_1|Chains A, B|Redox-sensing transcriptional repressor rex|Thermoanaerobacter ethanolicus (509192) MSKKTIVSMAVIRRLPRYHRYLEELLKNDVKRISSRELSEKMGVTASQIRQDLNNFGGFGQQGYGYNVEELYNNLTKILGLDKTYNTIIIGAGNLGQAIANYTSFEKSGFNLKGIFDINPRLFGLKIRDVEVMDVETVEDFIARNKIDIGILCIPKDNAQYTADRLVRAGIKAIWNFLPIDLKVPDDVILENVHLSDSLFTVSYRLNEEELFKKLKGETAKIDG