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Eukaryotic translation initiation factor 2 subunit beta (EIF2B2)
- Target
- EIF2B2
- Molecular classification
- Translation initiation factor, Guanine nucleotide exchange factor (GEF), Regulatory protein
01
Overview
Eukaryotic translation initiation factor 2B subunit beta (EIF2B2) is a regulatory component of the eIF2B complex, a guanine nucleotide exchange factor (GEF) essential for protein synthesis initiation. EIF2B2 plays a crucial role in regulating the GEF activity of the eIF2B complex, particularly in response to cellular stress and phosphorylation events. Mutations in EIF2B2 are associated with leukoencephalopathy with vanishing white matter (VWM), highlighting its importance for normal brain function.
- Other names
- EIF2B betaEIF2Bβ
02
Mechanism of action
Modulation of eIF2B complex activity, impacting global protein synthesis rates. Inhibition via phosphorylation-induced conformational changes.
03
Biological functions
Regulation of protein synthesis initiationGuanine nucleotide exchangeIntegrated stress response regulationmRNA translation
04
Disease associations
Leukoencephalopathy with vanishing white matter (VWM)Childhood ataxia with central nervous system hypomyelination (CACH)
05
Safety considerations
Global impact on protein synthesisPotential for off-target effects due to broad role in translationDisruption of integrated stress response
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