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349883 EIF2B1, Recombinant, Human, aa1-305, His-Tag (Eukaryotic translation initiation factor 2B, subunit 1 alpha, 26kD) CAS:

Specifications
References
Grade
Purified
Accession Number
NP_001405
Molecular Weight
35.8
EU Commodity Code
30021019
Shipping Temp
Blue Ice
Storage Temp
-20°C

EIF2B1 is one of five subunits of eukaryotic translation initiation factor 2B (EIF2B), a GTP exchange factor for eukaryotic initiation factor 2 and an essential regulator for protein synthesis. Phosphorylation of eIF2 inhibits GEF activity of EIF2B, an inhibition that requires the eIF2B1 subunit. Defects in eIF2B1 are a cause of leukoencephalopathy with vanishing white matter (VWM), a brain disease that is characterized by head trauma and motor deterioration.

Source
Recombinant protein corresponding to aa1-305 of human EIF2B1, fused to His-tag at N-terminal expressed in E. coli.
Molecular Weight
~35.8kD
AA Sequence
MGSSHHHHHH SSGLVPRGSH MDDKELIEYF KSQMKEDPDM ASAVAAIRTL LEFLKRDKGE TIQGLRANLT SAIETLCGVD SSVAVSSGGE LFLRFISLAS LEYSDYSKCK KIMIERGELF LRRISLSRNK IADLCHTFIK DGATILTHAY SRVVLRVLEA AVAAKKRFSV YVTESQPDLS GKKMAKALCH LNVPVTVVLD AAVGYIMEKA DLVIVGAEGV VENGGIINKI GTNQMAVCAK AQNKPFYVVA ESFKFVRLFP LNQQDVPDKF KYKADTLKVA QTGQDLKEEH PWVDYTAPSL ITLLFTDLGV LTPSAVSDEL IKLYL
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Source
Recombinant, E. coli
Purity
~90% (SDS-PAGE)
Concentration
~0.5mg/ml
Form
Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 0.1M sodium chloride, 10% glycerol.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
References
1. Van der Knaap M.S. et al. (2002) Ann. Neurol 51: 264-270 2. Mohammad-Qureshi S.S. et al. (2007) Mol. Cell. Biol. 27: 5225-5234.
USBio References
No references available
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