New Natural Inhibitors for SARS-CoV-2 Proteases
Author Information
Author(s): Gu Xiaoxia, Zhang Xiaotian, Zhang Xueke, Wang Xinyu, Sun Weiguang, Zhang Yonghui, Hu Zhengxi
Primary Institution: Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology
Hypothesis
Can sydowiol B and violaceol I effectively inhibit SARS-CoV-2 Mpro and PLpro?
Conclusion
Sydowiol B and violaceol I are promising dual inhibitors of SARS-CoV-2 proteases with broad-spectrum antiviral activity.
Supporting Evidence
- Sydowiol B and violaceol I showed dual inhibitory activity against SARS-CoV-2 Mpro and PLpro.
- Sydowiol B exhibited IC50 values of 2.91 µM for Mpro and 5.77 µM for PLpro.
- Both compounds displayed broad-spectrum antiviral activity against homologous coronaviruses.
- Sydowiol B binding stabilizes the Mpro dimer and limits substrate accommodation.
Takeaway
Researchers found two natural compounds, sydowiol B and violaceol I, that can help stop the virus that causes COVID-19 by blocking important parts of the virus.
Methodology
The study used molecular dynamics simulations and high-throughput screening to evaluate the inhibitory effects of sydowiol B and violaceol I on SARS-CoV-2 proteases.
Digital Object Identifier (DOI)
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