IL-21
Product Specifications
Accession Number
Q9HBE4
Expression Region
His25-Ser162
Expression System
CHO
Tag
Tag free
Stability
36 months at -20°C to -80°C in lyophilized state 6 months at -20°C to -80°C under sterile conditions after reconstitution 7-10 days at 2°C to 8°C under sterile conditions after reconstitution Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
Endotoxin
≤10 EU/mg
Purity
≥ 95% as determined by SDS-PAGE
Activity
Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is ≤ 20 ng/mL.
Reconstitution
It is recommended to redissolve in sterile deionized water
Molecular Weight
15.9 kDa
Shipping Conditions
Blue Ice
Appearance
White powder, Colorless clear liquid after reconstitution
Formulation
Lyophilized from a 0.22 μm-filtered solution containing PBS, 5% mannitol and 0.01% Tween 80, pH 7.4
Product Name Synonym
Interleukin-21; IL-21; Za11; IL21
Species
Human
Available Sizes
Frequently Asked Questions
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