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An Update on the Current State of SARS-CoV-2 Mac1 Inhibitors.


ABSTRACT: Non-structural protein 3 (nsp3) from all coronaviruses (CoVs) contains a conserved macrodomain, known as Mac1, that has been proposed as a potential therapeutic target for CoVs due to its critical role in viral pathogenesis. Mac1 is an ADP-ribose binding protein and ADP-ribosylhydrolase that promotes replication and blocks IFN responses, though the precise mechanisms it uses to carry out these functions remain unknown. Over the past 3 years following the onset of COVID-19, several groups have used high-throughput screening with multiple assays and chemical modifications to create unique chemical inhibitors of the SARS-CoV-2 Mac1 protein. Here, we summarize the current efforts to identify selective and potent inhibitors of SARS-CoV-2 Mac1.

SUBMITTER: O'Connor JJ 

PROVIDER: S-EPMC10610136 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature

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An Update on the Current State of SARS-CoV-2 Mac1 Inhibitors.

O'Connor Joseph J JJ   Ferraris Dana D   Fehr Anthony R AR  

Pathogens (Basel, Switzerland) 20231007 10


Non-structural protein 3 (nsp3) from all coronaviruses (CoVs) contains a conserved macrodomain, known as Mac1, that has been proposed as a potential therapeutic target for CoVs due to its critical role in viral pathogenesis. Mac1 is an ADP-ribose binding protein and ADP-ribosylhydrolase that promotes replication and blocks IFN responses, though the precise mechanisms it uses to carry out these functions remain unknown. Over the past 3 years following the onset of COVID-19, several groups have us  ...[more]

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