产品介绍
| Purity >95%, by SDS-PAGE under reducing conditions and visualized by silver stain. Endotoxin Level <0.01 EU per 1 μg of the protein by the LAL method. Activity Measured by its ability to enhance IFN-gamma secretion in NK-92 human natural killer lymphoma cells. The ED50 for this effect is ≤8.00 ng/mL. Source E. coli-derived rabbit IL-21 protein His18-Arg150, with an N-terminal Met Accession # XP_008266192.1 N-terminal Sequence Analysis Met Structure / Form Monomer Predicted Molecular Mass 15.5 kDa SDS-PAGE 18 kDa, reducing conditions |