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Numerical Poisson-Boltzmann Model for Continuum Membrane Systems.


ABSTRACT: Membrane protein systems are important computational research topics due to their roles in rational drug design. In this study, we developed a continuum membrane model utilizing a level set formulation under the numerical Poisson-Boltzmann framework within the AMBER molecular mechanics suite for applications such as protein-ligand binding affinity and docking pose predictions. Two numerical solvers were adapted for periodic systems to alleviate possible edge effects. Validation on systems ranging from organic molecules to membrane proteins up to 200 residues, demonstrated good numerical properties. This lays foundations for sophisticated models with variable dielectric treatments and second-order accurate modeling of solvation interactions.

SUBMITTER: Botello-Smith WM 

PROVIDER: S-EPMC3579545 | biostudies-literature | 2013 Jan

REPOSITORIES: biostudies-literature

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Numerical Poisson-Boltzmann Model for Continuum Membrane Systems.

Botello-Smith Wesley M WM   Liu Xingping X   Cai Qin Q   Li Zhilin Z   Zhao Hongkai H   Luo Ray R  

Chemical physics letters 20121107


Membrane protein systems are important computational research topics due to their roles in rational drug design. In this study, we developed a continuum membrane model utilizing a level set formulation under the numerical Poisson-Boltzmann framework within the AMBER molecular mechanics suite for applications such as protein-ligand binding affinity and docking pose predictions. Two numerical solvers were adapted for periodic systems to alleviate possible edge effects. Validation on systems rangin  ...[more]

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