Figure 2.
Circles of 168 bp in 1 mM ZnBr2/10 mM MgCl2 (A), 0.1 mM ZnBr2/1 mM MgCl2 (B), and 0.05 mM ZnBr2/1 mM MgCl2 (C) showing a reduction in kink density as the concentration of Zn2+ is reduced. Imaging conditions are as described in Fig. 1.
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