Author

Mauricio G. Mateu

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Open access Sep 2026

Inositol Hexakisphosphate Promotes Open Pore State in HIV Capsid Protein Lattice by Reconfiguring Subunit Contacts

The mature human immunodeficiency virus (HIV-1) capsid is composed of approximately 250 capsid protein hexamers, each containing a central pore delimited by a β-hairpin and an α-helix from each monomer. The cellular metabolite inositol hexakisphosphate (IP6) binds this pore and modulates translocation of nucleoside t...

Y. Knelissen, Judith Escrig, Amanda C. Macke et al. · ACS Nano · 0 citations

Aug 2026

RNA-repelling Anionic Clusters in Human Rhinovirus Cooperate with Cationic Residues to Promote Virion Assembly and Restrain RNA Release.

Research on virus nucleic acid-protein interactions is important to understand infection and guide antiviral drug design. In previous studies we showed that the human rhinovirus (RV) genomic RNA is organized as a dodecahedral cage formed by 30 RNA duplex elements anchored to capsid concavities. We showed also that caps...

Valentín Riomoros-Barahona, Juan M. Martínez-Romero, Luis Valiente et al. · Journal of Molecular Biology · 0 citations

Open access Jul 2026

Biologically Relevant, Cationic Residues in Human Rhinovirus Stabilize Capsid-Bound RNA Duplexes, and Restrict Capsid Flexibility.

Comparison of the two alternative wild-type virion structures and the mutant virion structures supports the existence of two conformational states of the RV virion in the absence of cell receptor: a basal state with well-structured RNA duplexes, and an activated, RNA release-prone state in which the RNA duplexes are pa...

Juan M. Martínez-Romero, Luis Valiente, J. Vilas et al. · Journal of Molecular Biology · 1 citation