IL21 Protein (Native, Human)
Product Specifications
Abbreviation
IL21
Synonyms
CVID11, IL-21, Za11
Host
E. coli
Tag
Native
Endotoxin
< 5 EU per mg of the protein as determined by the LAL method.
Purity
≥ 95 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
Bioactivity
Measured by its ability to induced Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is 0.4-2 ng/mL.
Function
Gln30-Ser162
Molecular Weight
The recombinant human IL-21 consists of 134 amino acids and has a calculated molecular mass of 15.6 kDa. It migrates as an approximately 17 kDa band in SDS-PAGE under reducing conditions.
Species
Human
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