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. 2003 May;84(5):2831–2840. doi: 10.1016/S0006-3495(03)70012-5

FIGURE 2.

FIGURE 2

Force-extension curve for the P5ab hairpin with added linker. (a) Native structure of the hairpin, its FEC as experimentally determined by Liphardt et al. (2001), and the FEC resulting from our model for two different salt concentrations. (b) FEC for P5ab as results from our model for two different spring constants λ (solid and dashed lines; see main text for details). The dotted line represents the FEC for a nonbinding sequence of the same length as P5ab. (Inset) End-to-end distance fluctuations as a function of the average extension.