>sp|Q04KJ6|REX_STRP2 Redox-sensing transcriptional repressor Rex OS=Streptococcus pneumoniae serotype 2 GN=rex MKDKQFAIPKATAKRLSLYYRIFKRFHAEKIERANSKQIAEAIGIDSATVRRDFSYFGEL GRRGFGYDVKKLMTFFADLLNDNSITNVMLVGIGNMGHALLHYRFHERNKMKIIMAFDLD DHPEVGTQTPDGIPIYGISQIKDKIKDTDVKTAILTVPSVKSQEVANLLVDAGVKGILSF SPVHLHLPKDVVVQYVDLTSELQTLLYFMRKED