IL21 Protein (Native, Human)

IL21

CVID11, IL-21, Za11

E. coli

Native

< 5 EU per mg of the protein as determined by the LAL method.

≥ 95 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.

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.

Gln30-Ser162

Human