ArticleThe Journal of biological chemistry2023
Identification of SARS-CoV-2 PLpro and 3CLpro human proteome substrates using substrate phage display coupled with protein network analysis.
Article in The Journal of biological chemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- Discovery of Spiro[chromane-2,4'-piperidine] Derivatives as Irreversible Inhibitors of SARS-CoV-2 Papain-like Protease.Journal of medicinal chemistry · 2026Article
- Discovery of Fragment-Based Inhibitors of SARS-CoV-2 PLJournal of medicinal chemistry · 2026Article
- On the origins of SARS-CoV-2 main protease inhibitors.RSC medicinal chemistry · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Viral proteases play key roles in viral replication, and they also facilitate immune escape by proteolyzing diverse target proteins. Deep profiling of viral protease substrates in host cells is beneficial for understanding viral pathogenesis and for antiviral drug discovery. Here, we utilized substrate phage display coupled with protein network analysis to identify human proteome substrates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) viral proteases, including papain-like protease (PLpro) and 3C-like protease (3CLpro). We first performed peptide substrates selection of PLpro and 3CLpro, and we then used the top 24 preferred substrate sequences to identify a total of 290 putative protein substrates. Protein network analysis revealed that the top clusters of PLpro and 3CLpro substrate proteins contain ubiquitin-related proteins and cadherin-related proteins, respectively. We verified that cadherin-6 and cadherin-12 are novel substrates of 3CLpro, and CD177 is a novel substrate of PLpro using in vitro cleavage assays. We thus demonstrated that substrate phage display coupled with protein network analysis is a simple and high throughput method to identify human proteome substrates of SARS-CoV-2 viral proteases for further understanding of virus-host interactions.
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