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Identification of motif-based interactions between SARS-CoV-2 protein domains and human peptide ligands pinpoint antiviral targets
Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, Husargatan 3, Uppsala, Sweden.
Department of Chemistry - BMC, Uppsala University, Box 576, Husargatan 3, Uppsala, Sweden.
Department of Chemistry - BMC, Uppsala University, Box 576, Husargatan 3, Uppsala, Sweden.
Umeå universitet, Medicinska fakulteten, Institutionen för klinisk mikrobiologi. Umeå universitet, Medicinska fakulteten, Molekylär Infektionsmedicin, Sverige (MIMS).ORCID-id: 0000-0002-6103-8286
Vise andre og tillknytning
2023 (engelsk)Inngår i: Nature Communications, E-ISSN 2041-1723, Vol. 14, nr 1, artikkel-id 5636Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The virus life cycle depends on host-virus protein-protein interactions, which often involve a disordered protein region binding to a folded protein domain. Here, we used proteomic peptide phage display (ProP-PD) to identify peptides from the intrinsically disordered regions of the human proteome that bind to folded protein domains encoded by the SARS-CoV-2 genome. Eleven folded domains of SARS-CoV-2 proteins were found to bind 281 peptides from human proteins, and affinities of 31 interactions involving eight SARS-CoV-2 protein domains were determined (K D ∼ 7-300 μM). Key specificity residues of the peptides were established for six of the interactions. Two of the peptides, binding Nsp9 and Nsp16, respectively, inhibited viral replication. Our findings demonstrate how high-throughput peptide binding screens simultaneously identify potential host-virus interactions and peptides with antiviral properties. Furthermore, the high number of low-affinity interactions suggest that overexpression of viral proteins during infection may perturb multiple cellular pathways.

sted, utgiver, år, opplag, sider
Nature Publishing Group, 2023. Vol. 14, nr 1, artikkel-id 5636
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-214614DOI: 10.1038/s41467-023-41312-8ISI: 001087583700014PubMedID: 37704626Scopus ID: 2-s2.0-85171182010OAI: oai:DiVA.org:umu-214614DiVA, id: diva2:1800639
Forskningsfinansiär
Swedish Foundation for Strategic Research, SB16-0039Swedish Research Council, 2020-03380Swedish Research Council, 2020-04395Swedish Research Council, 2018-05851Knut and Alice Wallenberg Foundation, KAW 2020.0241Knut and Alice Wallenberg Foundation, V-2020-0699Tilgjengelig fra: 2023-09-27 Laget: 2023-09-27 Sist oppdatert: 2025-04-24bibliografisk kontrollert

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Lindquist, RichardÖverby, Anna K.

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