Structure of the ternary initiation complex aIF2–GDPNP–methionylated initiator tRNA

E Schmitt, M Panvert, C Lazennec-Schurdevin… - Nature structural & …, 2012 - nature.com
Eukaryotic and archaeal translation initiation factor 2 (e/aIF2) is a heterotrimeric GTPase that
has a crucial role in the selection of the correct start codon on messenger RNA. We report …

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

PD Coureux, C Lazennec-Schurdevin… - Communications …, 2020 - nature.com
Archaeal translation initiation occurs within a macromolecular complex containing the small
ribosomal subunit (30S) bound to mRNA, initiation factors aIF1, aIF1A and the ternary …

[HTML][HTML] Recent advances in archaeal translation initiation

…, G Bourgeois, C Lazennec-Schurdevin… - Frontiers in …, 2020 - frontiersin.org
Translation initiation (TI) allows accurate selection of the initiation codon on a messenger
RNA (mRNA) and defines the reading frame. In all domains of life, translation initiation …

Identification of a second GTP-bound magnesium ion in archaeal initiation factor 2

…, A Aleksandrov, C Lazennec-Schurdevin… - Nucleic acids …, 2015 - academic.oup.com
Eukaryotic and archaeal translation initiation processes involve a heterotrimeric GTPase e/aIF2
crucial for accuracy of start codon selection. In eukaryotes, the GTPase activity of eIF2 is …

Role of aIF5B in archaeal translation initiation

…, G Bourgeois, C Lazennec-Schurdevin… - Nucleic acids …, 2022 - academic.oup.com
In eukaryotes and in archaea late steps of translation initiation involve the two initiation
factors e/aIF5B and e/aIF1A. In eukaryotes, the role of eIF5B in ribosomal subunit joining is …

[HTML][HTML] Cryo-EM study of start codon selection during archaeal translation initiation

PD Coureux, C Lazennec-Schurdevin… - Nature …, 2016 - nature.com
Eukaryotic and archaeal translation initiation complexes have a common structural core
comprising e/aIF1, e/aIF1A, the ternary complex (TC, e/aIF2-GTP-Met-tRNA i Met ) and mRNA …

The trimeric coiled‐coil HSBP 1 protein promotes WASH complex assembly at centrosomes

…, ME Lomakina, C LazennecSchurdevin… - The EMBO …, 2018 - embopress.org
The Arp2/3 complex generates branched actin networks that exert pushing forces onto
different cellular membranes. WASH complexes activate Arp2/3 complexes at the surface of …

Roles of yeast eIF2α and eIF2β subunits in the binding of the initiator methionyl-tRNA

M Naveau, C Lazennec-Schurdevin… - Nucleic acids …, 2013 - academic.oup.com
Heterotrimeric eukaryotic/archaeal translation initiation factor 2 (e/aIF2) binds initiator
methionyl-tRNA and plays a key role in the selection of the start codon on messenger RNA. tRNA …

Structural insights into the evolution of late steps of translation initiation in the three domains of life

R Kazan, G Bourgeois, C Lazennec-Schurdevin… - Biochimie, 2024 - Elsevier
In eukaryotes and in archaea late steps of translation initiation involve the two initiation factors
e/aIF5B and e/aIF1A. These two factors are also orthologous to the bacterial IF2 and IF1 …

tRNA Binding Properties of Eukaryotic Translation Initiation Factor 2 from Encephalitozoon cuniculi

M Naveau, C Lazennec-Schurdevin, M Panvert… - Biochemistry, 2010 - ACS Publications
A critical consequence of the initiation of translation is the setting of the reading frame for
mRNA decoding. In eukaryotic and archaeal cells, heterotrimeric initiation factor e/aIF2, in its …