Human IL-21 Protein, Accession#: Q9HBE4, CAS#: 3202-706-1267; ChemWhat Code: 1413741
Overview
| Product Description | Recombinant Human IL-21 Protein is expressed from E.coli without tag.It contains Gln32-Ser162. |
| Biotinylated |
Specification
| Target | IL-21 |
| Synonyms | Interleukin-21; IL-21; Za11; CVID11 |
| Gene/Protein ID (Accession) | Q9HBE4 |
| Species | Human |
| Exact Sequence | Gln32-Ser162 |
| Molecular Weight | The protein has a predicted MW of 15.4 kDa same as Tris-Bis PAGE result. |
| Activity | Immobilized Human IL-21, No Tag at 1ug/ml (100ul/well) on the plate. Dose response curve for Human IL-21R, hFc Tag with the EC50 of 63.6ng/ml determined by ELISA. See testing image for detail. |
| Product Tag | No Tag |
| Express System | E.coli |
| Endotoxin | Less than 1EU per ug by the LAL method. |
Shipping, Reconstitution & Storage
| Form | Lyophilized |
| Shipping | Shipped at ambient temperature. |
| Formulation | Lyophilized from 0.22um filtered solution in 20mM NaAc, 150mM NaCl (pH 5.5). Normally 8% trehalose is added as protectant before lyophilization. |
| Reconstitution | Centrifuge tubes before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in 20mM NaAc, 150mM NaCl (pH 5.5). |
| Stability and Storage | Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
Validation Spectrums
| Spectrums |  |
Buy Reagent | |
| ChemWhat 1413741 | > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC |
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Other Suppliers | |
| Watson International Limited | Visit Watson Official Website |
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