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. 2014 Nov 5;141(17):174902. doi: 10.1063/1.4900657

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© 2014 Author(s).

0021-9606/2014/141(17)/174902/10

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FIG. 1. — Coarse-grained DNA model. (a) Definition of chain segments b_i, vertices r_i, and segment diameter d. The equilibrium position of segment b_i is shown by the translucent surface. (b) Typical chain conformations generated by Monte Carlo simulation. Shown are chains with N = 100 segments (L = 20 P, 3000 base pairs) (left) and chains with N = 200 segments (L = 40 P, 6000 base pairs) (right). The top chains are unknotted and the bottom chains are knotted (4₁, figure-eight).