Nature Communications (Aug 2020)

Mechanism of ribosome rescue by alternative ribosome-rescue factor B

  • Kai-Hsin Chan,
  • Valentyn Petrychenko,
  • Claudia Mueller,
  • Cristina Maracci,
  • Wolf Holtkamp,
  • Daniel N. Wilson,
  • Niels Fischer,
  • Marina V. Rodnina

DOI
https://doi.org/10.1038/s41467-020-17853-7
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 11

Abstract

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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.