Hunan IL-21 protein is a molecule that is found in the immune system of individuals. It is a type of interleukin, which is a protein that helps in the communication between immune cells. IL-21 plays a crucial role in regulating the body's immune response, specifically in the development, differentiation, and function of certain immune cells, such as T cells and natural killer cells. Product Properties Synonyms Interleukin-21, IL-21, Za11 Uniprot No. Q9HBE4 Source HEK293 cells-derived human IL-21 protein, Gln30-Ser162, with N-terminal Flag tag. Molecular Weight The protein has a predicted MW of 16.5 kDa. And it migrates as 19 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation. Purity > 95% as determined by SDS-PAGE. Endotoxin < 0.1 EU per 1μg of the protein by the LAL method. Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS. Reconstitution Centrifuge tubes before opening. Dissolve lyophilized protein with PBS. Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles. Shipping and Storage The product should be stored at -25~-15℃ for 1 year from date of receipt. 2-7 days, 2 ~8 °C under sterile conditions after reconstitution. 3 months, -25~-15℃ under sterile conditions after reconstitution. Cautions 1.Please operate with lab coats and disposable gloves, for your safety. 2.This product is for research use only.
