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Mechanics, thermodynamics, and kinetics of ligand binding to biopolymers

Fig 2

Extensions per contour length of a XWLC as function of the pulling force.

Comparison of the extensions per contour length of a XWLC as function of the pulling force given by: the Marko-Siggia implicit equation (solid red line), the analytic approximations valid for the low force regime (dashed blue line), and the analytic approximation for the high force regime (dot-dashed green line). The dotted black vertical line marks the force which splits the low and high force regimes, KBT/Lp. This figure corresponds to the the following sets of parameters: Lp = 0.715 nm, K0 = 700 pN (which are of the order of the values for ssDNA [24]) and KBT = 4.11 pN nm.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0174830.g002