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. 2005 Dec 14;33(22):7029–7038. doi: 10.1093/nar/gki1010

Figure 2.

Figure 2

Number of Watson–Crick base pairs as a function of the d(ACTG)3–(CAGT)3 extension (nm). The presence of a base pair is assumed when the N1–N3 distance for A:T or G:C is <0.4 nm. The values reported here are averages over all the conformations sampled in the umbrella sampling and AFM pulling simulations.