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Cryo-EM study of an archaeal 30S initiation complex gives insights into evolution of translation initiation

Authors
  • Coureux, Pierre-Damien1
  • Lazennec-Schurdevin, Christine1
  • Bourcier, Sophie2
  • Mechulam, Yves1
  • Schmitt, Emmanuelle1
  • 1 Laboratoire de Biologie Structurale de la Cellule, BIOC, Ecole polytechnique, CNRS, Institut Polytechnique de Paris, Palaiseau, cedex, 91128, France , Palaiseau (France)
  • 2 Laboratoire de Chimie Moléculaire, LCM, Ecole polytechnique, CNRS, Institut Polytechnique de Paris, Palaiseau, cedex, 91128, France , Palaiseau (France)
Type
Published Article
Journal
Communications Biology
Publisher
Nature Publishing Group UK
Publication Date
Feb 06, 2020
Volume
3
Issue
1
Identifiers
DOI: 10.1038/s42003-020-0780-0
Source
Springer Nature
License
Green

Abstract

Coureux et al. describe a cryo-EM structure of a 30S initiation complex of Pyrococcus abyssi at 3.2Å resolution. The structure uncovers a novel archaeal ribosomal protein aS21, N-terminal extension of eL41 and brings insights into base modifications of the rRNA.

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