Abstract
A fully self-consistent 3D Poisson P3M Brownian dynamics solver is used to investigate the role of the long-range electrostatic forces on the selectivity and conductivity of OmpF porin. Our simulations show that even with zero applied bias, the long-range interactions are an important component of the total potential energy. In addition, the long-range force due to mobile carriers is shown to play a role in facilitating the flow of anions through the OmpF channel by screening the effect of the negative fixed charge of the protein.
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