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. 2008 Apr 18;283(16):10764–10772. doi: 10.1074/jbc.M708175200

FIGURE 4.

FIGURE 4.

The zinc finger of LigIII contributes DNA binding affinity and specificity. Binding of LigIII (A), ΔZnF (B), and ZnF (C) to DNA was measured by fluorescence anisotropy in buffer containing 250 mm NaCl. The DNA substrate was an intact duplex (○) or contained a single-stranded nick (•). Nicked DNA lacking the 3′-hydroxyl (▾) or the 5′-phosphate (▵) was also assayed.