Eif2b5 eukaryotic translation initiation factor 2B, subunit 5 epsilon [Mus musculus (house mouse)] - Gene

Summary

Official Symbol: Eif2b5provided by MGI
Official Full Name: eukaryotic translation initiation factor 2B, subunit 5 epsilonprovided by MGI
Primary source: MGI:MGI:2446176
See related: Ensembl:ENSMUSG00000003235 AllianceGenome:MGI:2446176
Gene type: protein coding
RefSeq status: VALIDATED
Organism: Mus musculus
Lineage: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae; Murinae; Mus; Mus
Summary: Predicted to enable guanyl-nucleotide exchange factor activity; translation initiation factor activity; and translation initiation factor binding activity. Predicted to be involved in several processes, including T cell receptor signaling pathway; glial cell development; and translational initiation. Predicted to act upstream of or within translation. Located in cytoplasm and nucleus. Is expressed in central nervous system and retina. Used to study leukoencephalopathy with vanishing white matter. Human ortholog(s) of this gene implicated in leukoencephalopathy with vanishing white matter. Orthologous to human EIF2B5 (eukaryotic translation initiation factor 2B subunit epsilon). [provided by Alliance of Genome Resources, Apr 2022]
Expression: Ubiquitous expression in CNS E11.5 (RPKM 21.4), placenta adult (RPKM 18.0) and 28 other tissues See more
Orthologs: human all
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Genomic context

Location:: 16 A3; 16 12.45 cM

Exon count:: 16

Annotation release	Status	Assembly	Chr	Location
RS_2023_04	current	GRCm39 (GCF_000001635.27)	16	NC_000082.7 (20317544..20328073)
108.20200622	previous assembly	GRCm38.p6 (GCF_000001635.26)	16	NC_000082.6 (20498795..20509325)

Chromosome 16 - NC_000082.7 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Genomic Sequence:

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Expression

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See details

Project title: Mouse ENCODE transcriptome data
Description: RNA profiling data sets generated by the Mouse ENCODE project.
BioProject: PRJNA66167
Publication: PMID 25409824
Analysis date: n/a

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Translation initiation factor eIF2Bepsilon promotes Wnt-mediated clonogenicity and global translation in intestinal epithelial cells.
Title: Translation initiation factor eIF2Bε promotes Wnt-mediated clonogenicity and global translation in intestinal epithelial cells.
eIF2B Mutations Cause Mitochondrial Malfunction in Oligodendrocytes.
Title: eIF2B Mutations Cause Mitochondrial Malfunction in Oligodendrocytes.
These results reveal a key role of the AKT-GSK3beta-eIF2Bepsilon signaling module in regulating axon regeneration in the adult mammalian central nervous system.
Title: GSK3β regulates AKT-induced central nervous system axon regeneration via an eIF2Bε-dependent, mTORC1-independent pathway.
analysis of eukaryotic initiation factor 2B epsilon phosphorylation sites and ubiquitin-modified lysine residues
Title: Identification of ubiquitin-modified lysine residues and novel phosphorylation sites on eukaryotic initiation factor 2B epsilon.
Data show that toll-like receptors (TLRs)-TRIF signalling activates eIF2B GEF through PP2A-mediated serine dephosphorylation of the eIF2B varepsilon-subunit.
Title: Toll-like receptor activation suppresses ER stress factor CHOP and translation inhibition through activation of eIF2B.
mouse model of EIF2B-related leukodystrophy; findings provide evidence that hypomorphic Eif2b5 alleles lead to delayed and abnormal development and maintenance of CNS white matter
Title: A mouse model for eukaryotic translation initiation factor 2B-leucodystrophy reveals abnormal development of brain white matter.
inactivation of glycogen synthase kinase 3beta (GSK3beta) by high glucose and high insulin induces increase in synthesis of laminin beta1 via activation of eIF2Bepsilon.
Title: Glycogen synthase kinase 3beta is a novel regulator of high glucose- and high insulin-induced extracellular matrix protein synthesis in renal proximal tubular epithelial cells.
Inhibition of pancreatic protein synthesis in this model of acute pancreatitis most likely results from inhibition of translation initiation from increased eIF2alpha phosphorylation, reduction of eIF2B activity, and inhibition of eIF4F complex formation.
Title: Caerulein-induced acute pancreatitis inhibits protein synthesis through effects on eIF2B and eIF4F.

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Variation

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Alleles

Alleles of this type are documented at Mouse Genome Informatics (MGI)

Spontaneous (1) 1 citation
Targeted (6) 1 citation
Endonuclease-mediated (1)

Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Gene Ontology Provided by MGI

Function	Evidence Code	Pubs
enables guanyl-nucleotide exchange factor activity	IBA Inferred from Biological aspect of Ancestor more info
contributes_to guanyl-nucleotide exchange factor activity	ISO Inferred from Sequence Orthology more info
enables guanyl-nucleotide exchange factor activity	ISO Inferred from Sequence Orthology more info
enables translation initiation factor activity	IBA Inferred from Biological aspect of Ancestor more info
contributes_to translation initiation factor activity	ISO Inferred from Sequence Orthology more info
enables translation initiation factor binding	IBA Inferred from Biological aspect of Ancestor more info
enables translation initiation factor binding	ISO Inferred from Sequence Orthology more info

Process	Evidence Code	Pubs
involved_in T cell receptor signaling pathway	ISO Inferred from Sequence Orthology more info
involved_in astrocyte development	ISO Inferred from Sequence Orthology more info
involved_in astrocyte differentiation	ISO Inferred from Sequence Orthology more info
involved_in myelination	ISO Inferred from Sequence Orthology more info
involved_in oligodendrocyte development	ISO Inferred from Sequence Orthology more info
involved_in ovarian follicle development	ISO Inferred from Sequence Orthology more info
involved_in positive regulation of apoptotic process	ISO Inferred from Sequence Orthology more info
involved_in positive regulation of translation	ISO Inferred from Sequence Orthology more info
involved_in response to endoplasmic reticulum stress	ISO Inferred from Sequence Orthology more info
involved_in response to glucose	ISO Inferred from Sequence Orthology more info
involved_in response to heat	ISO Inferred from Sequence Orthology more info
involved_in response to peptide hormone	ISO Inferred from Sequence Orthology more info
acts_upstream_of_or_within translation	IEA Inferred from Electronic Annotation more info
acts_upstream_of_or_within translational initiation	IEA Inferred from Electronic Annotation more info
involved_in translational initiation	ISO Inferred from Sequence Orthology more info

Component	Evidence Code	Pubs
located_in cytoplasm	IDA Inferred from Direct Assay more info	PubMed
located_in cytoplasm	ISO Inferred from Sequence Orthology more info
located_in cytosol	ISO Inferred from Sequence Orthology more info
part_of eukaryotic translation initiation factor 2B complex	IBA Inferred from Biological aspect of Ancestor more info
part_of eukaryotic translation initiation factor 2B complex	ISO Inferred from Sequence Orthology more info
located_in nucleus	IDA Inferred from Direct Assay more info	PubMed

General protein information

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Preferred Names: translation initiation factor eIF-2B subunit epsilon

Names: eIF-2B GDP-GTP exchange factor subunit epsilon

NCBI Reference Sequences (RefSeq)

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RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

mRNA and Protein(s)

NM_001417002.1 → NP_001403931.1 translation initiation factor eIF-2B subunit epsilon isoform 2

Status: VALIDATED

Source sequence(s)

AC161756
NM_001417003.1 → NP_001403932.1 translation initiation factor eIF-2B subunit epsilon isoform 3

Status: VALIDATED

Source sequence(s)

AC161756
NM_001417004.1 → NP_001403933.1 translation initiation factor eIF-2B subunit epsilon isoform 4

Status: VALIDATED

Source sequence(s)

AC161756
NM_001417005.1 → NP_001403934.1 translation initiation factor eIF-2B subunit epsilon isoform 5

Status: VALIDATED

Source sequence(s)

AC161756
NM_172265.3 → NP_758469.1 translation initiation factor eIF-2B subunit epsilon isoform 1

See identical proteins and their annotated locations for NP_758469.1

Status: VALIDATED

Source sequence(s)

AC161756

Consensus CDS

CCDS28047.1

UniProtKB/Swiss-Prot

Q3TU39, Q8CHW4

Related

ENSMUSP00000003320.7, ENSMUST00000003320.14

Conserved Domains (4) summary

cd05787
Location:357 → 435

LbH_eIF2B_epsilon; eIF-2B epsilon subunit, central Left-handed parallel beta-Helix (LbH) domain: eIF-2B is a eukaryotic translation initiator, a guanine nucleotide exchange factor (GEF) composed of five different subunits (alpha, beta, gamma, delta and epsilon). eIF2B is ...

cd04197
Location:39 → 253

eIF-2B_epsilon_N; The N-terminal domain of epsilon subunit of the eIF-2B is a subfamily of glycosyltransferase 2

cd11558
Location:544 → 707

W2_eIF2B_epsilon; C-terminal W2 domain of eukaryotic translation initiation factor 2B epsilon

COG1044
Location:296 → 406

LpxD; UDP-3-O-[3-hydroxymyristoyl] glucosamine N-acyltransferase [Cell wall/membrane/envelope biogenesis]