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Mutation

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Pharmacology, Toxicology and Environmental Health

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Full-Text Articles in Molecular Biology

Decomposing The Energetic Impact Of Drug-Resistant Mutations: The Example Of Hiv-1 Protease-Drv Binding, Yufeng Cai, Celia Schiffer Oct 2012

Decomposing The Energetic Impact Of Drug-Resistant Mutations: The Example Of Hiv-1 Protease-Drv Binding, Yufeng Cai, Celia Schiffer

Celia A. Schiffer

HIV-1 protease is a major drug target for AIDS therapy. With the appearance of drug-resistant HIV-1 protease variants, understanding the mechanism of drug resistance becomes critical for rational drug design. Computational methods can provide more details about inhibitor-protease binding than crystallography and isothermal titration calorimetry. The latest FDA-approved HIV-1 protease inhibitor is Darunavir (DRV). Herein, each DRV atom is evaluated by free energy component analysis for its contribution to the binding affinity with wild-type protease and ACT, a drug-resistant variant. This information can contribute to the rational design of new HIV-1 protease inhibitors.