Continuum Electromechanical Modeling of Protein-Membrane Interaction

Details Continuum Electromechanical Modeling of Protein-Membrane Interaction Continuum Electromechanical Modeling of Protein-Membrane Interaction

2010-08-17

arxiv.org/abs/1008.3850v1

Biology

Quantitative Biology

Quantitative Methods

5 pages, 12 figures

Scientific paper

A continuum electromechanical model is proposed to describe the membrane curvature induced by electrostatic interactions in a solvated protein-membrane system. The model couples the macroscopic strain energy of membrane and the electrostatic solvation energy of the system, and equilibrium membrane deformation is obtained by minimizing the electro-elastic energy functional with respect to the dielectric interface. The model is illustrated with the systems with increasing geometry complexity and captures the sensitivity of membrane curvature to the permanent and mobile charge distributions.

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