IL-21 mutant Recombinant Protein

Interleukin-21

Q9EPU5

His Tag

E. coli

Immunology & Inflammation

>90% (SDS-PAGE) . Endotoxin level is less than 1EU/ μg protein (LAL test; Lonza) .

Lyophilized

Stable for at least 1 year after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.

For research use only.

This recombinant proteins is for research use only.

NP_068575

Lyophilized from 0.2um-filtered solution in PBS. Reconstitute at 100 μg/ml in sterile PBS.

Human IL-21 (aa 32-162) with mutations at Gln145Asp and Gln150Asp is fused at the N-terminus to a His-tag.