Characteristics:
Source Chinese Hamster Ovary cell line
Description Human IL21(His25-Ser162) with a C-terminal linker GGGGGS and Human
lgG1 (Asp104-Lys330)
Accession # Q9HBE4
Accession # Q9HBE4
Predicted molecular 41.9kDa
Mass
Specification:
Appearance White powder,Colorless clear liquid after reconstitution
Purity ≥95%, by SDS-PAGE (under conditions,visualized by Coomassie staining)
Endotoxin ≤10 EU/mg by the LAL method
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..
Formulation Lyophilized from a 0.22 um filtered solution containing PBS,5% mannitol
and 0.01% Tween 80, pH7.4
Size 50 μg/vial, 1 mg/vial
Handling and Storage:
Reconstitution It is recommended to redissolve in sterile deionized water.
Shipping The product is shipped with blue ice
Storage & 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.
Bioactivity:
