Key result
Anionic and cationic residues cooperate to promote virion assembly and restrain rhinovirus RNA release.
Why the study?
The study aimed to expand understanding of the structural and functional roles of conserved negatively charged capsid residues at the capsid-RNA duplex interface in human rhinovirus.
Comparison
Negatively charged capsid residues vs positively charged capsid residues at RNA duplex binding sites
Design
Cryogenic electron microscopy structural and functional analysis
Authors
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May guide structure-based antivirals; leaves open functional validation and conservation across picornaviruses.
Anionic clusters in human rhinovirus cooperate with cationic residues to promote virion assembly and restrain RNA release, providing insights for antiviral drug design.
Riomoros-Barahona et al. (2026) studied Human rhinovirus. Anionic clusters (negatively charged capsid residues) was evaluated on Virion assembly and RNA release. Anionic residues at the capsid-RNA duplex interfaces act together with cationic residues to promote virion assembly and restrain RNA release in human rhinovirus.
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