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Cat.No.:PKSH031514
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Synonyms | Interleukin-21;IL-21;Za11;IL21 |
Species | Human |
Expression_host | E.coli |
Sequence | Gln30-Ser162 |
Accession | Q9HBE4-1 |
Application | Functional ELISA |
Mol_Mass | 15.6 kDa |
AP_Mol_Mass | 17 kDa |
Tag | None |
Bio_Activity | Measured by its ability to induced Interferon gamma secretion by human natural killer lymphoma NK-92 cells. The ED50 for this effect is 0.4-2 ng/mL. |
Purity | > 95 % as determined by reducing SDS-PAGE. |
Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
Formulation | Lyophilized from sterile PBS, pH 7.4, 5 % Trehalose, 5 % Mannitol 0.01% Tween 80 Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
Reconstitution | Please refer to the printed manual for detailed information. |