Human IL-21, Tag Free
Product Specifications
UniProt
Q9HBE4>Q9HBE4
Type
Protein
Source
HEK293
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Purity
>95% as determined by SDS-PAGE.
Bioactivity
Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is ≤ 8 ng/mL.
Form
Lyophilized
Reconstitution
Reconstitute at 250 μg/ml in sterile water.
Storage Conditions
Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20°C to -80°C It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.
Fragment
IL-21 (32-162)
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.
Species
Human
Available Sizes
Frequently Asked Questions
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