IL21 Protein (C-His, Rat)

Product Specifications

Abbreviation

IL21

Synonyms

IL-21, Il21

Host

Baculovirus-insect Cells

Tag

C-His

Endotoxin

< 1.0 EU per μg of the protein as determined by the LAL method

Purity

> 90 % as determined by SDS-PAGE

Bioactivity

Measured by its ability to induce Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is typically 2-8 ng/ml.

Function

Met1-Ser146

Molecular Weight

The recombinant rat IL21 consists of 140 amino acids and predicts a molecular mass of 16.64 KDa. It migrates as an approximately 20 KDa band in SDS-PAGE under reducing conditions.