>3KET_1|Chain A|Redox-sensing transcriptional repressor rex|Streptococcus agalactiae serogroup III (216495) MIMDKSIPKATAKRLSLYYRIFKRFNTDGIEKASSKQIADALGIDSATVRRDFSYFGELGRRGFGYDVKKLMNFFAEILNDHSTTNVMLVGCGNIGRALLHYRFHDRNKMQISMAFDLDSNDLVGKTTEDGIPVYGISTINDHLIDSDIETAILTVPSTEAQEVADILVKAGIKGILSFSPVHLTLPKDIIVQYVDLTSELQTLLYFMNQQR >3KET_2|Chain B|DNA (5'-D(*AP*AP*TP*TP*GP*TP*GP*AP*AP*AP*T)-3')|synthetic construct (32630) AATTGTGAAAT >3KET_3|Chain C|DNA (5'-D(P*AP*TP*TP*TP*CP*AP*CP*AP*AP*TP*T)-3')|synthetic construct (32630) ATTTCACAATT