Human Interleukin-21 / IL-21 Protein

Species : Human

Synonyms : CVID11,IL-21,Za11

Host : E. coli

Purity :> 95 % as determined by SDS-PAGE

Activity : 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.