ArticleCommunications biology2023
Structural insights into ribonucleoprotein dissociation by nucleocapsid protein interacting with non-structural protein 3 in SARS-CoV-2.
Article in Communications biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 29 citations in OpenAlex.
- Nsp3 Ubl1-orchestrated dephosphorylation of N protein promotes coronaviral subgenomic RNA synthesis.bioRxiv : the preprint server for biology · 2026Article
- Direct interaction between human DDX1 and SARS-CoV-2 nucleocapsid protein is regulated by phosphorylation.The Journal of biological chemistry · 2026Article
- Coronavirus genome packaging and nucleocapsid assembly.Journal of virology · 2026Review
- Article
- Natural product sennoside B disrupts liquid-liquid phase separation of SARS-CoV-2 nucleocapsid protein by inhibiting its RNA-binding activity.Journal of enzyme inhibition and medicinal chemistry · 2025Article
- Evolution of a fuzzy ribonucleoprotein complex in viral assembly.bioRxiv : the preprint server for biology · 2025Article
- Phosphorylation Changes SARS-CoV-2 Nucleocapsid Protein's Structural Dynamics and Its Interaction With RNA.Proteins · 2025Article
- Dissecting Interactions between RNA and Coronavirus Nucleocapsid Proteins Using Native Mass Spectrometry.Journal of the American Society for Mass Spectrometry · 2025Article
- Phosphorylation toggles the SARS-CoV-2 nucleocapsid protein between two membrane-associated condensate states.Nature communications · 2025Article
- Structural and functional analyses of SARS-CoV-2 Nsp3 and its specific interactions with the 5' UTR of the viral genome.Microbiology spectrum · 2025Article
- Coupling of SARS-CoV-2 to Amyloid Fibrils and Liquid-Liquid Phase Separation.Current protein & peptide science · 2025Review
- Affinity Tag-Free Purification of SARS-CoV-2 N Protein and Its Crystal Structure in Complex with ssDNA.Biomolecules · 2024Article
- Review
- Efficient overexpression and purification of severe acute respiratory syndrome coronavirus 2 nucleocapsid proteins in Escherichia coli.The Biochemical journal · 2024Article
- Impact of mutations on the stability of SARS-CoV-2 nucleocapsid protein structure.Scientific reports · 2024Article
- Multifaceted role of SARS-CoV-2 structural proteins in lung injury.Frontiers in immunology · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The coronavirus nucleocapsid (N) protein interacts with non-structural protein 3 (Nsp3) to facilitate viral RNA synthesis and stabilization. However, structural information on the N-Nsp3 complex is limited. Here, we report a 2.6 Å crystal structure of the N-terminal domain (NTD) of the N protein in complex with the ubiquitin-like domain 1 (Ubl1) of Nsp3 in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). One NTD and two Ubl1s formed a stable heterotrimer. We performed mutational analysis to reveal the key residues for this interaction. We confirmed the colocalization of SARS-CoV-2 N and Nsp3 in Huh-7 cells. N-Ubl1 interaction also exists in SARS-CoV and Middle East respiratory syndrome coronavirus. We found that SARS-CoV-2 Ubl1 competes with RNA to bind N protein in a dose-dependent manner. Based on our results, we propose a model for viral ribonucleoprotein dissociation through N protein binding to Ubl1 of Nsp3.
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