DescriptionThe Recombinant Human IL-21 Protein is derived from E. coli. The Recombinant Human IL-21 Protein has been validated for the following applications: Bioactivity.
|IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform|
|<0.10 EU per 1μg of the protein by the LAL method.|
|E. coli-derived human IL-21 protein Gln25-Ser155,with a N-terminal Met|
|>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining|
|Observed M.W.: 17kDa, reducing conditions, Theoretical M.W.: 15kDa|
|Measured in a cell proliferation assay using N1186 human T cells. Parrish-Novak, J. et al. (2000) Nature 408:57. The ED50 for this effect is typically 2-12ng/mL.|
|E. coli-derived Gln25-Ser155, with a N-terminal Met|
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