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METHODS AND SYSTEMS FOR CALCULATING FREE ENERGY DIFFERENCES USING AN ALCHEMICAL RESTRAINT POTENTIAL
METHODS AND SYSTEMS FOR CALCULATING FREE ENERGY DIFFERENCES USING AN ALCHEMICAL RESTRAINT POTENTIAL
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机译:使用炼金术抑制潜力计算自由能差的方法和系统
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摘要
A method for computing free energy difference between a reference molecule and a target molecule. The target molecule has the common set of atoms PAB and a set of atoms PB. The method includes applying a potential to restrain an interaction of the additional atomic component from the set of atoms PB with the common set of atoms PAB in the initial state. The method includes determining one or more transition states along a transformation path between the initial state and target state. The method includes scaling the restrain potential correspondingly along the transformation path until the potential becomes zero when a corresponding end state is reached, and calculating the free energy difference between the reference molecule and the target molecule using a value obtained along the transformation path from the initial state to the target state.
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