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601 and ideal breathing profiles calculated using eq. (2). Pk is the equilibrium constant for site exposure, the fraction of time the k-th position is open (and thus accessible to, e.g., a restriction enzyme) in equilibrium conditions. In each case, the total elastic energy is 65.5 kBT and the total adsorption energy is chosen to be −91 kBT. The steric accessibility is set here to Δ = 0. Note the logarithmic scale.
