EIF2B3

Eukaryotic translation initiation factor 2B, subunit 3 gamma, 58kDa
Identifiers
Symbols	EIF2B3 ; EIF-2B; EIF2Bgamma
External IDs	OMIM: 606273 MGI: 1313286 HomoloGene: 7005 GeneCards: EIF2B3 Gene
Gene ontology Molecular function • translation initiation factor activity • guanyl-nucleotide exchange factor activity • protein binding • translation factor activity, RNA binding • nucleotidyltransferase activity Cellular component • cytoplasm • cytosol • eukaryotic translation initiation factor 2B complex Biological process • translation • translational initiation • response to heat • response to glucose • gene expression • oligodendrocyte development • negative regulation of translational initiation in response to stress • response to peptide hormone • positive regulation of GTPase activity • cellular protein metabolic process • cellular response to stimulus Sources: Amigo / QuickGO
RNA expression pattern
More reference expression data
Orthologs
Species	Human	Mouse
Entrez	8891	108067
Ensembl	ENSG00000070785	ENSMUSG00000028683
UniProt	Q9NR50	A4FUS0
RefSeq (mRNA)	NM_001166588	NM_001111277
RefSeq (protein)	NP_001160060	NP_001104747
Location (UCSC)	Chr 1: 44.85 – 44.99 Mb	Chr 4: 117.02 – 117.09 Mb
PubMed search

Translation initiation factor eIF-2B subunit gamma is a protein that in humans is encoded by the EIF2B3 gene.^[1][2]

References

1. Kruger M, Beger C, Li QX, Welch PJ, Tritz R, Leavitt M, Barber JR, Wong-Staal F (Aug 2000). "Identification of eIF2Bgamma and eIF2gamma as cofactors of hepatitis C virus internal ribosome entry site-mediated translation using a functional genomics approach". Proc Natl Acad Sci U S A 97 (15): 8566–71. doi:10.1073/pnas.97.15.8566. PMC 26988. PMID 10900014.
2. "Entrez Gene: EIF2B3 eukaryotic translation initiation factor 2B, subunit 3 gamma, 58kDa".

Further reading

• Welsh GI, Miyamoto S, Price NT; et al. (1996). "T-cell activation leads to rapid stimulation of translation initiation factor eIF2B and inactivation of glycogen synthase kinase-3.". J. Biol. Chem. 271 (19): 11410–3. doi:10.1074/jbc.271.19.11410. PMID 8626696.
• Gomez E, Pavitt GD (2000). "Identification of domains and residues within the epsilon subunit of eukaryotic translation initiation factor 2B (eIF2Bepsilon) required for guanine nucleotide exchange reveals a novel activation function promoted by eIF2B complex formation.". Mol. Cell. Biol. 20 (11): 3965–76. doi:10.1128/MCB.20.11.3965-3976.2000. PMC 85753. PMID 10805739.
• Anthony TG, Fabian JR, Kimball SR, Jefferson LS (2000). "Identification of domains within the epsilon-subunit of the translation initiation factor eIF2B that are necessary for guanine nucleotide exchange activity and eIF2B holoprotein formation.". Biochim. Biophys. Acta 1492 (1): 56–62. doi:10.1016/S0167-4781(00)00062-2. PMID 10858531.
• Hartley JL, Temple GF, Brasch MA (2001). "DNA cloning using in vitro site-specific recombination.". Genome Res. 10 (11): 1788–95. doi:10.1101/gr.143000. PMC 310948. PMID 11076863.
• Wiemann S, Weil B, Wellenreuther R; et al. (2001). "Toward a catalog of human genes and proteins: sequencing and analysis of 500 novel complete protein coding human cDNAs.". Genome Res. 11 (3): 422–35. doi:10.1101/gr.GR1547R. PMC 311072. PMID 11230166.
• Williams DD, Price NT, Loughlin AJ, Proud CG (2001). "Characterization of the mammalian initiation factor eIF2B complex as a GDP dissociation stimulator protein.". J. Biol. Chem. 276 (27): 24697–703. doi:10.1074/jbc.M011788200. PMID 11323413.
• van der Knaap MS, Leegwater PA, Könst AA; et al. (2002). "Mutations in each of the five subunits of translation initiation factor eIF2B can cause leukoencephalopathy with vanishing white matter.". Ann. Neurol. 51 (2): 264–70. doi:10.1002/ana.10112. PMID 11835386.
• Strausberg RL, Feingold EA, Grouse LH; et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
• Fogli A, Dionisi-Vici C, Deodato F; et al. (2003). "A severe variant of childhood ataxia with central hypomyelination/vanishing white matter leukoencephalopathy related to EIF21B5 mutation.". Neurology 59 (12): 1966–8. doi:10.1212/01.wnl.0000041666.76863.47. PMID 12499492.
• Fogli A, Rodriguez D, Eymard-Pierre E; et al. (2003). "Ovarian failure related to eukaryotic initiation factor 2B mutations.". Am. J. Hum. Genet. 72 (6): 1544–50. doi:10.1086/375404. PMC 1180314. PMID 12707859.
• Ota T, Suzuki Y, Nishikawa T; et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs.". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.
• Fogli A, Schiffmann R, Hugendubler L; et al. (2005). "Decreased guanine nucleotide exchange factor activity in eIF2B-mutated patients.". Eur. J. Hum. Genet. 12 (7): 561–6. doi:10.1038/sj.ejhg.5201189. PMID 15054402.
• Li W, Wang X, Van Der Knaap MS, Proud CG (2004). "Mutations linked to leukoencephalopathy with vanishing white matter impair the function of the eukaryotic initiation factor 2B complex in diverse ways.". Mol. Cell. Biol. 24 (8): 3295–306. doi:10.1128/MCB.24.8.3295-3306.2004. PMC 381664. PMID 15060152.
• Van Haren K, van der Voorn JP, Peterson DR; et al. (2004). "The life and death of oligodendrocytes in vanishing white matter disease.". J. Neuropathol. Exp. Neurol. 63 (6): 618–30. PMID 15217090.
• Gerhard DS, Wagner L, Feingold EA; et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
• Wiemann S, Arlt D, Huber W; et al. (2004). "From ORFeome to biology: a functional genomics pipeline.". Genome Res. 14 (10B): 2136–44. doi:10.1101/gr.2576704. PMC 528930. PMID 15489336.
• Rual JF, Venkatesan K, Hao T; et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network.". Nature 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514.
• Suragani RN, Kamindla R, Ehtesham NZ, Ramaiah KV (2006). "Interaction of recombinant human eIF2 subunits with eIF2B and eIF2alpha kinases.". Biochem. Biophys. Res. Commun. 338 (4): 1766–72. doi:10.1016/j.bbrc.2005.10.150. PMID 16288713.
• Mikami S, Masutani M, Sonenberg N; et al. (2006). "An efficient mammalian cell-free translation system supplemented with translation factors.". Protein Expr. Purif. 46 (2): 348–57. doi:10.1016/j.pep.2005.09.021. PMID 16289705.