Eukaryotic type translation initiation factor 2: structure-functional aspects
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Updated: Jun 2, 2026

Toeprinting Analysis of Translation Initiation Complex Formation on Mammalian mRNAs
Published on: May 10, 2018
E A Stolboushkina1, M B Garber
1Institute of Protein Research, Russian Academy of Sciences, Pushchino, Moscow Region, Russia. esmail@vega.protres.ru
Abstract:
Translation initiation factor 2 (IF2) is one of key components of the translation initiation system in living cells. In bacteria IF2 is a multidomain monomeric protein, while in eukaryotic and archaean cells e/aIF2 is heterotrimer (αβγ). Data, including our own, on eukaryotic type translation initiation factor 2 (e/aIF2) structure and functioning are presented. There are also new data on initiation factors eIF5 and eIF2B that directly interact with eIF2 and control its participation in nucleotide exchange.
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