ArticleJournal of medicinal chemistry2026
Structure-Based Adaptation of a SARS-CoV-2 Neutralizing Peptide to New Virus Variants.
Article in Journal of medicinal chemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
The starting point of this work was a SARS-CoV-2 neutralizing peptide (LW25.13), which binds to the receptor-binding domain of the viral spike protein and inhibits the attachment of the virus to its cellular receptor ACE2. As LW25.13 is unable to neutralize later SARS-CoV-2 variants, such as omicron, we have extended the neutralization breadth of LW25.13 through structural and bioinformatic analysis. This involved the systematic variation of a range of positions and yielded peptides neutralizing SARS-CoV-2 beta and omicron at low nanomolar concentrations, while preserving the strong neutralizing capacity against earlier virus variants (wild-type, alpha, delta), as well as the proteolytic stability and α-helical conformation of the peptide. This gain in neutralizing breadth illustrates the utility of the peptide as a scaffold that can be adapted to different virus variants, which may prove useful for the development of peptides against new coronavirus variants of concern in the future.
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