The In Silico Prediction of Hotspot Residues that Contribute to the Structural Stability of Subunit Interfaces of a Picornavirus Capsid.
assembly
axis of symmetry
capsid
cardiovirus
hotspot
pentamer
protein–protein interaction
protomer
Journal
Viruses
ISSN: 1999-4915
Titre abrégé: Viruses
Pays: Switzerland
ID NLM: 101509722
Informations de publication
Date de publication:
31 03 2020
31 03 2020
Historique:
received:
04
03
2020
revised:
26
03
2020
accepted:
28
03
2020
entrez:
5
4
2020
pubmed:
5
4
2020
medline:
17
2
2021
Statut:
epublish
Résumé
The assembly of picornavirus capsids proceeds through the stepwise oligomerization of capsid protein subunits and depends on interactions between critical residues known as hotspots. Few studies have described the identification of hotspot residues at the protein subunit interfaces of the picornavirus capsid, some of which could represent novel drug targets. Using a combination of accessible web servers for hotspot prediction, we performed a comprehensive bioinformatic analysis of the hotspot residues at the intraprotomer, interprotomer and interpentamer interfaces of the Theiler's murine encephalomyelitis virus (TMEV) capsid. Significantly, many of the predicted hotspot residues were found to be conserved in representative viruses from different genera, suggesting that the molecular determinants of capsid assembly are conserved across the family. The analysis presented here can be applied to any icosahedral structure and provides a platform for in vitro mutagenesis studies to further investigate the significance of these hotspots in critical stages of the virus life cycle with a view to identify potential targets for antiviral drug design.
Identifiants
pubmed: 32244486
pii: v12040387
doi: 10.3390/v12040387
pmc: PMC7232237
pii:
doi:
Substances chimiques
Capsid Proteins
0
Protein Subunits
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
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