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Computer Simulation of Small Molecule Permeation Across a Lipid Bilayer: Dependence on Bilayer Properties and Solute Volume, Size, and Cross-sectional Area

Overview
Journal Biophys J
Publisher Cell Press
Specialty Biophysics
Date 2004 Jul 9
PMID 15240439
Citations 44
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Abstract

Cell membrane permeation is required for most drugs to reach their biological target, and understanding this process is therefore crucial for rational drug design. Recent molecular dynamics simulations have studied the permeation of eight small molecules through a phospholipid bilayer. Unlike experiments, atomistic simulations allow the direct calculation of diffusion and partition coefficients of solutes at different depths inside a lipid membrane. Further analyses of the simulations suggest that solute diffusion is less size-dependent and solute partitioning more size-dependent than was commonly thought.

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