Discovery of a Non-Peptidic Inhibitor of West Nile Virus NS3 Protease
Author Information
Author(s): Ekonomiuk Dariusz, Su Xun-Cheng, Ozawa Kiyoshi, Bodenreider Christophe, Lim Siew Pheng, Yin Zheng, Keller Thomas H., Beer David, Patel Viral, Otting Gottfried, Caflisch Amedeo, Huang Danzhi
Primary Institution: University of Zürich
Hypothesis
Can a small-molecule inhibitor be identified for the West Nile virus NS3 protease using high-throughput docking?
Conclusion
The identified inhibitor has good potential as a lead compound for further development against West Nile virus infections.
Supporting Evidence
- The inhibitor showed a ligand efficiency of 0.33 kcal/mol per non-hydrogen atom.
- Six out of 22 compounds tested showed specific affinity to the WNV protease.
- The binding affinity of the inhibitor was confirmed by NMR spectroscopy.
Takeaway
Scientists found a small molecule that can stop a virus from making copies of itself, which could help in creating new medicines.
Methodology
The study used high-throughput docking of about 12,000 compounds and validated the findings with NMR spectroscopy and enzymatic assays.
Limitations
The binding affinity of the inhibitor is relatively low, and further optimization is needed.
Digital Object Identifier (DOI)
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