Mechanism of ribosome rescue by alternative ribosome-rescue factor B

Rescue of ribosomes stalled on non-stop mRNA is essential for cell viability, and several rescue systems to resolve stalling exist in bacteria. Here, the authors use rapid kinetics and cryo-EM to reveal the pathway and selectivity mechanism of ArfB-mediated ribosome rescue.

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Detalles Bibliográficos
Autores principales: Kai-Hsin Chan, Valentyn Petrychenko, Claudia Mueller, Cristina Maracci, Wolf Holtkamp, Daniel N. Wilson, Niels Fischer, Marina V. Rodnina
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
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Acceso en línea:https://doaj.org/article/2ee13ea8233d47ba89c88cbd83274f16
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Sumario:Rescue of ribosomes stalled on non-stop mRNA is essential for cell viability, and several rescue systems to resolve stalling exist in bacteria. Here, the authors use rapid kinetics and cryo-EM to reveal the pathway and selectivity mechanism of ArfB-mediated ribosome rescue.