[HTML][HTML] Initiation of mRNA translation in bacteria: structural and dynamic aspects

CO Gualerzi, CL Pon - Cellular and Molecular Life Sciences, 2015 - Springer
Initiation of mRNA translation is a major checkpoint for regulating level and fidelity of protein
synthesis. Being rate limiting in protein synthesis, translation initiation also represents the …

The integrative role of cryo electron microscopy in molecular and cellular structural biology

I Orlov, AG Myasnikov, L Andronov… - Biology of the …, 2017 - Wiley Online Library
After gradually moving away from preparation methods prone to artefacts such as plastic
embedding and negative staining for cell sections and single particles, the field of cryo …

[HTML][HTML] Compact IF2 allows initiator tRNA accommodation into the P site and gates the ribosome to elongation

RS Basu, MB Sherman, MG Gagnon - Nature communications, 2022 - nature.com
During translation initiation, initiation factor 2 (IF2) holds initiator transfer RNA (fMet-
tRNAifMet) in a specific orientation in the peptidyl (P) site of the ribosome. Upon subunit …

[HTML][HTML] Regulation of leaderless mRNA translation in bacteria

LE Leiva, A Katz - Microorganisms, 2022 - mdpi.com
In bacteria, the translation of genetic information can begin through at least three different
mechanisms: canonical or Shine-Dalgarno-led initiation, readthrough or 70S scanning …

[PDF][PDF] Deriving and refining atomic models in crystallography and cryo-EM: the latest Phenix tools to facilitate structure analysis

BP Klaholz - Acta Crystallographica Section D: Structural Biology, 2019 - journals.iucr.org
Over the last few years, the technical breakthrough of single-particle cryo electron
microscopy (cryo-EM) thanks to the recent developments of direct electron detectors and …

e IF 5 B employs a novel domain release mechanism to catalyze ribosomal subunit joining

B Kuhle, R Ficner - The EMBO Journal, 2014 - embopress.org
Abstract e IF 5 B is a eukaryal translational GTP ase that catalyzes ribosomal subunit joining
to form elongation‐competent ribosomes. Despite its central role in protein synthesis, the …

Involvement of protein IF2 N domain in ribosomal subunit joining revealed from architecture and function of the full-length initiation factor

A Simonetti, S Marzi, IML Billas, A Tsai… - Proceedings of the …, 2013 - National Acad Sciences
Translation initiation factor 2 (IF2) promotes 30S initiation complex (IC) formation and 50S
subunit joining, which produces the 70S IC. The architecture of full-length IF2, determined by …

[HTML][HTML] A conformational switch in initiation factor 2 controls the fidelity of translation initiation in bacteria

K Caban, M Pavlov, M Ehrenberg… - Nature …, 2017 - nature.com
Initiation factor (IF) 2 controls the fidelity of translation initiation by selectively increasing the
rate of 50S ribosomal subunit joining to 30S initiation complexes (ICs) that carry an N-formyl …

Elongation Factor Tu switch I element is a gate for aminoacyl-tRNA selection

D Girodat, SC Blanchard, HJ Wieden… - Journal of molecular …, 2020 - Elsevier
Selection of correct aminoacyl (aa)-tRNA at the ribosomal A site is fundamental to
maintaining translational fidelity. Aa-tRNA selection is a multistep process facilitated by the …

[HTML][HTML] Salt-Specific Suppression of the Cold Denaturation of Thermophilic Multidomain Initiation Factor 2

V Džupponová, N Tomášková, A Antošová… - International Journal of …, 2023 - mdpi.com
Thermophilic proteins and enzymes are attractive for use in industrial applications due to
their resistance against heat and denaturants. Here, we report on a thermophilic protein that …