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The fraction of adsorbed peptides on the membrane surface as a function of the insertion energy gain Δg (see text) for three values of the peptide charge, zp = 2,3,4. The minimal energy required for pore formation increases with peptide charge. In this calculation Nptot/2Nl = 1/40, α = 120°, τmp = 1kBT/Å, and n0 = 0.1 M.
