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An ethidium bromide-stained 0.8% agarose gel image of DNA binding by CT and variants. Lanes 1–9 contain an 800 bp linear dsDNA with the following proteins: 1, no protein; 2, wtCT; 3, C27A; 4, C30A; 5, C46A; 6, C49A; 7, double variant; 8, triple variant; 9, quadruple variant.
