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eIF2B Protein

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protein535 wordssynced 2026-04-02

eIF2B Protein

Introduction

Eif2B Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.

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<div class="infobox infobox-protein">
|+ eIF2B Protein
! Protein Name
| eIF2B Protein
! Gene
| [EIF2B5](/genes/eif2b5)
! UniProt ID
| [P49407](https://www.uniprot.org/uniprot/P49407)
! PDB IDs
| 6O9Y, 6O9Z
! Molecular Weight
| 33.9 kDa
! Subcellular Localization
| Cytoplasm
! Protein Family
| eIF2B family
</div>

Overview

eIF2B Protein (EIF2B5) is a protein involved in protein synthesis and ribosome function. It is located in the cytoplasm and participates in critical cellular pathways.

Structure

eIF2B forms a decameric complex of five subunits.

Normal Function

eIF2B is the guanine nucleotide exchange factor for eIF2. It is essential for initiating translation. eIF2B is a pentameric complex and is sensitive to eIF2-alpha phosphorylation.

Role in Disease

Mutations in eIF2B cause vanishing white matter disease, a progressive leukoencephalopathy. eIF2B dysfunction affects neuronal survival.

Therapeutic Targeting

ISRIB stabilizes eIF2B and reverses translational inhibition.

Background


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EIF2B5PROTEIN
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