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Characterization and Inhibition of the Main Protease of Severe Acute Respiratory Syndrome Coronavirus

Identifieur interne : 000816 ( Pmc/Checkpoint ); précédent : 000815; suivant : 000817

Characterization and Inhibition of the Main Protease of Severe Acute Respiratory Syndrome Coronavirus

Auteurs : Chih-Jung Kuo ; Po-Huang Liang

Source :

RBID : PMC:7159133

Abstract

Abstract

The main protease of SARS‐associated coronavirus (SARS‐CoV), also called 3C‐like protease (3CLpro), is vital for the viral replication. It cleaves the replicase polyproteins at 11 sites and is a promising drug target. Several groups of inhibitors have been identified through high‐throughput screening and rational drug design. In addition to the pharmaceutical applications, a mutant 3CLpro (T25G) with an expanded S1′ space has been demonstrated to tolerate larger residues at P1′, facilitating the cleavage behind the recognition sequence. This review summarizes current developments in anti‐SARS agents targeting 3CLpro and the application of the mutant protease as a tag‐cleavage endopeptidase.


Url:
DOI: 10.1002/cben.201400031
PubMed: NONE
PubMed Central: 7159133


Affiliations:


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PMC:7159133

Le document en format XML

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National Chung Hsing University, College of Veterinary Medicine, Department of Veterinary Medicine, Taichung 402, Taiwan.</aff>
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Institute of Biological Chemistry, Academia Sinica, Taipei 115, Taiwan</aff>
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National Chung Hsing University, College of Veterinary Medicine, Department of Veterinary Medicine, Taichung 402, Taiwan.</corresp>
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<title>Abstract</title>
<p>The main protease of SARS‐associated coronavirus (SARS‐CoV), also called 3C‐like protease (3CL
<sup>pro</sup>
), is vital for the viral replication. It cleaves the replicase polyproteins at 11 sites and is a promising drug target. Several groups of inhibitors have been identified through high‐throughput screening and rational drug design. In addition to the pharmaceutical applications, a mutant 3CL
<sup>pro</sup>
(T25G) with an expanded S1′ space has been demonstrated to tolerate larger residues at P1′, facilitating the cleavage behind the recognition sequence. This review summarizes current developments in anti‐SARS agents targeting 3CL
<sup>pro</sup>
and the application of the mutant protease as a tag‐cleavage endopeptidase.</p>
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<p>Severe acute respiratory syndrome (SARS)‐associated coronavirus (CoV) has disappeared, but might re‐emerge in the future, together with other new and existing CoV. The 3CL protease of SARS‐CoV, a key enzyme for viral replication, is a promising drug target for inhibitor molecules in order to combat CoVs. This review summarizes current developments and research on inhibitors against proteases and the engineering of the mutant protease as an endopeptidase.
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