Structural conservation of antibiotic interaction with ribosomes.


Journal

Nature structural & molecular biology
ISSN: 1545-9985
Titre abrégé: Nat Struct Mol Biol
Pays: United States
ID NLM: 101186374

Informations de publication

Date de publication:
09 2023
Historique:
received: 22 02 2023
accepted: 26 06 2023
medline: 14 9 2023
pubmed: 8 8 2023
entrez: 7 8 2023
Statut: ppublish

Résumé

The ribosome is a major target for clinically used antibiotics, but multidrug resistant pathogenic bacteria are making our current arsenal of antimicrobials obsolete. Here we present cryo-electron-microscopy structures of 17 distinct compounds from six different antibiotic classes bound to the bacterial ribosome at resolutions ranging from 1.6 to 2.2 Å. The improved resolution enables a precise description of antibiotic-ribosome interactions, encompassing solvent networks that mediate multiple additional interactions between the drugs and their target. Our results reveal a high structural conservation in the binding mode between antibiotics with the same scaffold, including ordered water molecules. Water molecules are visualized within the antibiotic binding sites that are preordered, become ordered in the presence of the drug and that are physically displaced on drug binding. Insight into RNA-ligand interactions will facilitate development of new antimicrobial agents, as well as other RNA-targeting therapies.

Identifiants

pubmed: 37550453
doi: 10.1038/s41594-023-01047-y
pii: 10.1038/s41594-023-01047-y
pmc: PMC10497419
doi:

Substances chimiques

Anti-Bacterial Agents 0
RNA 63231-63-0

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1380-1392

Informations de copyright

© 2023. The Author(s).

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Auteurs

Helge Paternoga (H)

Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany.

Caillan Crowe-McAuliffe (C)

Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany.

Lars V Bock (LV)

Theoretical and Computational Biophysics Department, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.

Timm O Koller (TO)

Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany.

Martino Morici (M)

Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany.

Bertrand Beckert (B)

Dubochet Center for Imaging at EPFL-UNIL, Batiment Cubotron, Lausanne, Switzerland.

Alexander G Myasnikov (AG)

Dubochet Center for Imaging at EPFL-UNIL, Batiment Cubotron, Lausanne, Switzerland.

Helmut Grubmüller (H)

Theoretical and Computational Biophysics Department, Max Planck Institute for Multidisciplinary Sciences, Göttingen, Germany.

Jiří Nováček (J)

Central European Institute of Technology (CEITEC), Masaryk University, Brno, Czech Republic.

Daniel N Wilson (DN)

Institute for Biochemistry and Molecular Biology, University of Hamburg, Hamburg, Germany. Daniel.Wilson@chemie.uni-hamburg.de.

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