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Human EIF5A Protein (His Tag)

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Human EIF5A Protein Product Information
Protein Construction:A DNA sequence encoding the human EIF5A (NP_001961.1) (Met1-Lys154) was expressed with a polyhistidine tag at the N-terminus.
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human EIF5A Protein QC Testing
Purity:> 85 % as determined by SDS-PAGE
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:His
Molecule Mass:The recombinant human EIF5A consists of 170 amino acids and predicts a molecular mass of 18.9 kDa. It migrates as an approximately 21 kDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human EIF5A Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other EIF5A Recombinant Protein Products
EIF5A Background

EIF-5A, also known as EIF5, functions in start site selection as a GTPase accelerating protein (GAP) for the eukaryotic translation initiation factor (eIF) 2•GTP•tRNA ternary complex within the ribosome-bound pre-initiation complex. In protein synthesis initiation, eIF2 functions in its GTP-bound state to deliver initiator methionyl-tRNA to the small ribosomal subunit and is necessary for protein synthesis in all cells. EIF-5A stabilizes the binding of GDP to eIF2 and is therefore a bi-functional protein that acts as a GDP dissociation inhibitor (GDI). EIF-5A also interacts with eIF1 and eIF3 and binds the eIF2-GTP/Met-tRNA ternary complex along with the 40S ribosome subunit.

Human EIF5A References
  • Jenkins ZA. et al., 2001, Genomics. 71 (1): 101-9.
  • Guan XY. et al., 2001, Cancer Res. 61 (9): 3806-9.
  • Strausberg RL. et al., 2003, Proc Natl Acad Sci. 99 (26): 16899-903.
  • Clement PM. et al., 2003, Eur J Biochem. 270 (21): 4254-63.
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    Catalog: 15096-H07E-20
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