Recombinant Human Translation initiation factor eIF-2B subunit beta(EIF2B2)

Code CSB-EP007515HU
Size US$2466
  • (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 EIF2B2
Uniprot No. P49770
Research Area others
Alternative Names EI2BB_HUMAN; EIF 2Bbeta; EIF-2Bbeta; EIF2B; EIF2B GDP GTP exchange factor subunit beta; EIF2B2; EIF2B2; EIF2BB; Eukaryotic translation initiation factor 2B; Eukaryotic translation initiation factor 2B beta; Eukaryotic translation initiation factor 2B; subunit 2; Eukaryotic translation initiation factor 2B; subunit 2 beta; Eukaryotic translation initiation factor 2B; subunit 2 beta; 39kDa; S20I15; S20III15; Translation initiation factor eIF-2B subunit beta
Species Homo sapiens (Human)
Source E.coli
Expression Region 1-351aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 66.0kDa
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.
and FAQs
Protein FAQs
Storage Condition Store at -20°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.

Target Data

Function Catalyzes the exchange of eukaryotic initiation factor 2-bound GDP for GTP.
Gene References into Functions
  1. Data show that eIF2Balpha and eIF2Bbeta bind to adjacent surfaces on eIF2alpha-N-terminal domains (NTDs). PMID: 29036434
  2. It would be better to consider Vanishing White Matter Disease as an eIF2B-related multisystem disorder, not just as a neurological disorder. PMID: 28041799
  3. An Italian patient is described with a c.638A>G mutation in exon 5 of EIF2B2 gene with very slow progressive vanishing white matter disease. PMID: 22729508
  4. analysis of vanishing white matter disease caused by EIF2B2 mutation with the presentation of an adrenoleukodystrophy phenotype [case report] PMID: 22285377
  5. Mutation in EIF2B2 causes childhood ataxia with central nervous system hypomyelination/ vanishing white matter leukodystrophy. PMID: 12707859
  6. 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
  7. The role of the residues Ser2 and Ser67 contribute to the important role of the N-terminal region of eIF2beta for its function in mammals. PMID: 16225457
  8. CACH syndrome is linked to mutations in the five EIF2B--REVIEW PMID: 17878805
  9. Study reports 9 novel mutations in EIF2B genes in 8 patients, increasing number of known mutations to >120. Using homology modeling, analyzed the impact of novel mutations on the 5 subunits of eIF2B protein (alpha, beta, gamma, delta, epsilon). PMID: 18263758

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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: 3258

OMIM: 603896

KEGG: hsa:8892

STRING: 9606.ENSP00000266126

UniGene: Hs.409137

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