期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 114, 期 29, 页码 9516-9524出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp911689r
关键词
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Free-energy pathway methods show great promise in computing the mode of action and the free energy profile associated with the binding of small molecules with proteins, but are generally very computationally demanding. Here we apply a novel approach based on metadynamics and path collective variables. We show that this combination is able to find an optimal reaction coordinate and the free energy profile of binding with explicit solvent and full flexibility, while minimizing human intervention and computational costs. We apply it to predict the binding affinity of a congeneric series of 5 CDK2 inhibitors. The predicted binding free energy profiles are in accordance with experiment.
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