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. 2003 Apr;84(4):2242–2255. doi: 10.1016/S0006-3495(03)75030-9

FIGURE 9.

FIGURE 9

The formation free energy, per peptide, in a tetrameric pore composed of tetravalent peptides, as a function of the pore radius for three values of the polar angle: α = 100°, 120°, and 140°. Here τmp = 1 kBT/Å and n0 = 0.1 M.