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Diversity of Short Linear Interaction Motifs in SARS-CoV-2 Nucleocapsid Protein | |
Peter Schuck HUAYING ZHAO | |
Acceso Abierto | |
Sin Derechos Reservados | |
https://doi.org/10.1101/2023.08.01.551467 | |
https://www.biorxiv.org/content/10.1101/2023.08.01.551467v1 | |
SUMMARY Molecular mimicry of short linear interaction motifs has emerged as a key mechanism for viral proteins binding host domains and hijacking host cell processes. Here, we examine the role of RNA-virus sequence diversity in the dynamics of the virus-host interface, by analyzing the uniquely vast sequence record of viable SARS-CoV-2 species with focus on the multi-functional nucleocapsid protein. We observe the abundant presentation of motifs encoding several essential host protein interactions, alongside a majority of possibly non-functional and randomly occurring motif sequences absent in subsets of viable virus species. A large number of motifs emerge ex nihilo through transient mutations relative to the ancestral consensus sequence. The observed mutational landscape implies an accessible motif space that spans at least 25% of known eukaryotic motifs. This reveals motif mimicry as a highly dynamic process with the capacity to broadly explore host motifs, allowing the virus to rapidly evolve the virus-host interface. | |
bioRxiv | |
01-08-2023 | |
Preimpreso | |
Inglés | |
Público en general | |
VIRUS RESPIRATORIOS | |
Aparece en las colecciones: | Materiales de Consulta y Comunicados Técnicos |
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Diversity of Short Linear Interaction Motifs in SARS-CoV-2 Nucleocapsid Protein.pdf | 2.48 MB | Adobe PDF | Visualizar/Abrir |