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Supramolecular Cylinders Target Bulge Structures in the 5' UTR of the RNA Genome of SARS-CoV-2 and Inhibit Viral Replication*.


ABSTRACT: The untranslated regions (UTRs) of viral genomes contain a variety of conserved yet dynamic structures crucial for viral replication, providing drug targets for the development of broad spectrum anti-virals. We combine in vitro RNA analysis with molecular dynamics simulations to build the first 3D models of the structure and dynamics of key regions of the 5' UTR of the SARS-CoV-2 genome. Furthermore, we determine the binding of metallo-supramolecular helicates (cylinders) to this RNA structure. These nano-size agents are uniquely able to thread through RNA junctions and we identify their binding to a 3-base bulge and the central cross 4-way junction located in stem loop 5. Finally, we show these RNA-binding cylinders suppress SARS-CoV-2 replication, highlighting their potential as novel anti-viral agents.

SUBMITTER: Melidis L 

PROVIDER: S-EPMC8222931 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Supramolecular Cylinders Target Bulge Structures in the 5' UTR of the RNA Genome of SARS-CoV-2 and Inhibit Viral Replication*.

Melidis Lazaros L   Hill Harriet J HJ   Coltman Nicholas J NJ   Davies Scott P SP   Winczura Kinga K   Chauhan Tasha T   Craig James S JS   Garai Aditya A   Hooper Catherine A J CAJ   Egan Ross T RT   McKeating Jane A JA   Hodges Nikolas J NJ   Stamataki Zania Z   Grzechnik Pawel P   Hannon Michael J MJ  

Angewandte Chemie (International ed. in English) 20210709 33


The untranslated regions (UTRs) of viral genomes contain a variety of conserved yet dynamic structures crucial for viral replication, providing drug targets for the development of broad spectrum anti-virals. We combine in vitro RNA analysis with molecular dynamics simulations to build the first 3D models of the structure and dynamics of key regions of the 5' UTR of the SARS-CoV-2 genome. Furthermore, we determine the binding of metallo-supramolecular helicates (cylinders) to this RNA structure.  ...[more]

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