Recombinant Human Translation initiation factor eIF-2B subunit alpha (EIF2B1)

Code CSB-EP623910HU
MSDS
Size $224
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

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Product Details

Purity
Greater than 90% as determined by SDS-PAGE.
Target Names
EIF2B1
Uniprot No.
Research Area
Epigenetics and Nuclear Signaling
Alternative Names
EI2BA_HUMAN; eIF-2B GDP-GTP exchange factor subunit alpha; EIF2B; Eif2b1; EIF2BA; Eukaryotic translation initiation factor 2B subunit 1 alpha 26kDa; Eukaryotic translation initiation factor 2B subunit alpha; Translation initiation factor eIF-2B subunit alpha
Species
Homo sapiens (Human)
Source
E.coli
Expression Region
1-305aa
Target Protein Sequence
MDDKELIEYFKSQMKEDPDMASAVAAIRTLLEFLKRDKGETIQGLRANLTSAIETLCGVDSSVAVSSGGELFLRFISLASLEYSDYSKCKKIMIERGELFLRRISLSRNKIADLCHTFIKDGATILTHAYSRVVLRVLEAAVAAKKRFSVYVTESQPDLSGKKMAKALCHLNVPVTVVLDAAVGYIMEKADLVIVGAEGVVENGGIINKIGTNQMAVCAKAQNKPFYVVAESFKFVRLFPLNQQDVPDKFKYKADTLKVAQTGQDLKEEHPWVDYTAPSLITLLFTDLGVLTPSAVSDELIKLYL
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
60.7kDa
Protein Length
Full Length
Tag Info
N-terminal GST-tagged
Form
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

Function
Catalyzes the exchange of eukaryotic initiation factor 2-bound GDP for GTP.
Gene References into Functions
  1. Oligodendrocytes with truncated or deletion mutants eIF2B showed less tolerable to endoplasmic reticulum stress PMID: 26112719
  2. These data emphasize the importance of eIF2Balpha in mediating the eIF2 kinase translation-inhibitory activity and may provide insight into the complex nature of vesiculovirus oncolysis. PMID: 21795329
  3. mutational analysis of the eIF2B genes of patients with an antenatal- or early-infantile-onset encephalopathy and an early demise PMID: 14566705
  4. Biochemical analyses indicate that mutations analyzed in eIF2Balpha and -epsilon reduce the steady-state level of the affected subunit, while the most severe mutant tested, eIF2Bbeta(V341D), forms complexes with reduced stability and lower eIF2B activity. PMID: 14993275
  5. analysis of novel mutations in patients with eIF2B-related disorders PMID: 15776425
  6. Study reports 9 novel mutations in EIF2B genes in 8 patients, increasing number of known mutations to more than 120. Using homology modeling, analyzed the impact of novel mutations on the 5 subunits of eIF2B protein (alpha, beta, gamma, delta, epsilon) PMID: 18263758
  7. The authors suspected VWM and sequenced the genes EIF2B1-5, which revealed one heterozygous mutation in EIF2B4. PMID: 18330844
  8. Crystal structure of the alpha subunit of human translation initiation factor 2B. PMID: 19631657

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Involvement in disease
Leukodystrophy with vanishing white matter (VWM)
Protein Families
EIF-2B alpha/beta/delta subunits family
Database Links

HGNC: 3257

OMIM: 603896

KEGG: hsa:1967

STRING: 9606.ENSP00000416250

UniGene: Hs.741273

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