ArticleJournal of structural biology: X2025
Molecular biophysics and inhibition mechanism of influenza virus A M2 viroporin by adamantane-based drugs - Challenges in designing antiviral agents.
Article in Journal of structural biology: X, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The influenza A matrix 2 (AM2) protein is a prototype viroporin that conducts protons through an array of water molecules and sidechains of ionizable amino acid residues, with His37 being the most important. Amantadine is a prototype AM2 channel blocker and inhibitor of influenza A AM2 wild type (serine-31) replication. Amantadine received approval for prophylaxis against the influenza virus A in 1966. However, the characterization of the mechanism of action of amantadine targeting AM2 came 50 years after its approval as an anti-influenza A drug. We present results from experimental biophysical methods and molecular dynamics simulations for the complexes of the AM2 WT and amantadine-resistant mutant channels (V27A, L26F, S31N) in complex with adamantane-based ligands. Additionally, we describe critical experimental evidence from biochemical/functional and molecular biology experiments. Previous debates on the mechanism of drug binding and inhibition were due to the different membrane mimetic environment, the excess of the drug, and the method used
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