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Dependence of binding constant and enthalpy on chain flexibility. Flexibility decreases with kbend (see text). Chain pairs of three lengths are shown: N = 20 (circles), N = 25 (squares), and N = 30 (triangles). (A) Association constant vs. kbend; (B) Change in enthalpy on binding per bead, ΔH/N, vs. kbend; (C) Enthalpy per bead, H/N, of unbound (upper curves) and bound (lower curves) state vs. kbend.
