>8GOI_1|Chains A, C, E, G|Lac23ys_aEE, an acidic mutant of LacI C-terminal tetramerization helix|Escherichia coli (562)
TASPSALADELEQLAYEVEHLSS
>8GOI_2|Chains B, D, F, H|Lac23ys_bRR, a basic mutant of LacI C-terminal tetramerization helix|Escherichia coli (562)
TASPHALANRLRQLAYRVRSLSS