IL21 Protein (Native, Human)

IL21

CVID11, IL-21, Za11

E. coli

Native

<10 EU per mg protein.

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

Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is 0.4-2 ng/ml.

Gln30-Ser162

The recombinant human IL-21 consists of 134 amino acids and has a calculated molecular mass of 15.6 kDa.

Human