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. 2008 Jun;131(6):563–573. doi: 10.1085/jgp.200809959

TABLE I.

Parameter Values Used in All Calculations

Parameter Symbol Value Reference
Water dielectric εw 80 Floris et al., 1991
Protein dielectric εp 2 Gallicchio et al., 2000
Membrane core dielectric εhc 2 Long et al., 2007
Lipid head group dielectric εhg 80 Long et al., 2007
Equilibrium membrane width L0 42 Å Nielsen and Andersen, 2000
Head group width Lhg 8 Å Lipowsky and Sackman, 1995
Ion screening concentration Ic 100 mM Shrake and Rupley, 1973
Bulk interfacial surface tension α 3 × 10−13 N/Å Jacobs and White, 1989
Area compression-expansion modulus Ka 1.425 × 10−11 N/Å Jacobs and White, 1989
Bending or splay-distortion modulus Kc 2.85 × 10−10 Jacobs and White, 1989
α/Kc γ 1.05 × 10−3 Å−2 Jacobs and White, 1989
2 Ka/(L02·Kc) β 5.66 × 10−5 Å−4 Jacobs and White, 1989
SASA prefactor for nonpolar energy a 0.028 kcal/mol·Å2 Gallicchio et al., 2000
Constant term for nonpolar energy b −1.7 kcal/mol Gallicchio et al., 2000