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Article Dans Une Revue ACS Infectious Diseases Année : 2023

Development of Pan-Anti-SARS-CoV-2 Agents through Allosteric Inhibition of nsp14/nsp10 Complex

Jingxin Chen
Ying Zhou
  • Fonction : Auteur
  • PersonId : 1151998
  • IdRef : 258050888
Zi-Wei Ye
Dong-Yan Jin
Shuofeng Yuan
Jasper F W Chan
Hongyan Li
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  • PersonId : 912992
Hongzhe Sun

Résumé

SARS-CoV-2 nsp14 functions both as an exoribonuclease (ExoN) together with its critical cofactor nsp10 and as an S-adenosyl methionine-dependent (guanine-N7) methyltransferase (MTase), which makes it an attractive target for the development of pan-anti-SARS-CoV-2 drugs. Herein, we screened a panel of compounds (and drugs) and found that certain compounds, especially Bi(III)-based compounds, could allosterically inhibit both MTase and ExoN activities of nsp14 potently. We further demonstrated that Bi(III) binds to both nsp14 and nsp10, resulting in the release of Zn(II) ions from the enzymes as well as alternation of protein quaternary structures. The in vitro activities of the compounds were also validated in SARS-CoV-2-infected mammalian cells. Importantly, we showed that nsp14 serves as an authentic target of Bi(III)-based antivirals in SARS-CoV-2-infected mammalian cells by quantification of both the protein and inhibitor. This study highlights the importance of nsp14/nsp10 as a potential target for the development of pan-antivirals against SARS-CoV-2 infection.
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Dates et versions

hal-04282921 , version 1 (25-01-2024)

Identifiants

Citer

Jingxin Chen, Ying Zhou, Xueying Wei, Xiaohan Xu, Zhenzhi Qin, et al.. Development of Pan-Anti-SARS-CoV-2 Agents through Allosteric Inhibition of nsp14/nsp10 Complex. ACS Infectious Diseases, 2023, ⟨10.1021/acsinfecdis.3c00356⟩. ⟨hal-04282921⟩
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