Nature Communications (Nov 2020)

ArfB can displace mRNA to rescue stalled ribosomes

  • Christine E. Carbone,
  • Gabriel Demo,
  • Rohini Madireddy,
  • Egor Svidritskiy,
  • Andrei A. Korostelev

DOI
https://doi.org/10.1038/s41467-020-19370-z
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 9

Abstract

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Alternative rescue factor B (ArfB) is an enzyme that releases peptides from stalled ribosomes to allow ribosome recycling. Here the authors carry-out cryo-EM analyses of 70S ribosomes complexed with ArfB on either a short or longer mRNA to reveal distinct modes of ArfB function.