Discovery and Mechanism of SARS-CoV-2 Main Protease Inhibitors.
Discovery and Mechanism of SARS-CoV-2 Main Protease Inhibitors.
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DOI:
10.1021/acs.jmedchem.1c00566
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发表时间:
2022-02-24
影响因子:
7.3
通讯作者:
Rana TM
中科院分区:
文献类型:
--
作者:
Huff S;Kummetha IR;Tiwari SK;Huante MB;Clark AE;Wang S;Bray W;Smith D;Carlin AF;Endsley M;Rana TM
The emergence of a new coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), presents an urgent public health crisis. Without available targeted therapies, treatment options remain limited for COVID-19 patients. Using medicinal chemistry and rational drug design strategies, we identify a 2-phenyl-1,2-benzoselenazol-3-one class of compounds targeting the SARS-CoV-2 main protease (Mpro). FRET-based screening against recombinant SARS-CoV-2 Mpro identified six compounds that inhibit proteolysis with nanomolar IC50 values. Preincubation dilution experiments and molecular docking determined that the inhibition of SARS-CoV-2 Mpro can occur by either covalent or noncovalent mechanisms, and lead E04 was determined to inhibit Mpro competitively. Lead E24 inhibited viral replication with a nanomolar EC50 value (844 nM) in SARS-CoV-2-infected Vero E6 cells and was further confirmed to impair SARS-CoV-2 replication in human lung epithelial cells and human-induced pluripotent stem cell-derived 3D lung organoids. Altogether, these studies provide a structural framework and mechanism of Mpro inhibition that should facilitate the design of future COVID-19 treatments.
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