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Structural analysis of SARS-CoV-2 andprediction of the human interactome
Andrea Vandelli.
Michele Monti.
Edoardo Milanetti.
Riccardo Delli Ponti.
Gian Gaetano Tartaglia.
Acceso Abierto
Atribución-NoComercial-SinDerivadas
10.1101/2020.03.28.013789
We calculated the structural properties of >2500 coronaviruses and computed >100000 human protein interactions with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Using the CROSS method, we found that the SARS-CoV-2 region encompassing nucleotides 23000 - 24000 is highly conserved at the structural level, while the region upstream varies significantly. These two sequences are important for viral infection as they code for a domain of the viral protein Spike S interacting with the human receptor angiotensin-converting enzyme 2 (ACE2) and, in the close homologue from Middle East respiratory syndrome coronavirus (MERS-CoV), sialic acids. We predict highly structured regions at the 5 and 3 where our calculations indicate strong propensity to bind to human proteins involved in viral replication. Using the catRAPID method, we identified that the 5 interacts with double-stranded RNA-specific editase 1 ADARB1, 2-5A-dependent ribonuclease RNASEL, ATP-dependent RNA helicase DDX1 and A-kinase anchor protein 8-like AKAP8L, in addition to >10 high-confidence candidate partners. These interactions, also implicated in HIV replication, should be further investigated for a better understanding of host-virus interaction mechanisms.
www.biorxiv.org
2020
Artículo
https://www.biorxiv.org/content/10.1101/2020.03.28.013789v5.full.pdf
Inglés
VIRUS RESPIRATORIOS
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