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A Physics-Based Intermolecular Potential For Biomolecular Simulation, Joshua Andrew Rackers
A Physics-Based Intermolecular Potential For Biomolecular Simulation, Joshua Andrew Rackers
Arts & Sciences Electronic Theses and Dissertations
The grand challenge of biophysics is to use the fundamental laws of physics to predict how biological molecules will move and interact. The atomistic HIPPO (Hydrogen-like Intermolecular Polarizable Potential) force field is meant to address this challenge. It does so by breaking down the intermolecular potential energy function of biomolecular interactions into physically meaningful components (electrostatics, polarization, dispersion, and exchangerepulsion) and using this function to drive molecular dynamics simulations. This force field is able to achieve accuracy within 1 kcal/mol for each component when compared with ab initio Symmetry Adapted Perturbation Theory calculations. HIPPO is capable of this accuracy because …