Recombinant Human IL-21
- Cat. No.：EPT303
- Price：Negotiable
- Clicks：1143
Product Detail
Basic Information
| Size | 10ug |
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| Expression Host | E.coli |
| Tag | NA |
Physical Properties
| Molecular Weight | 15.6 KDa |
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| Apparent Molecular Weight | 16 KDa, reducing conditions |
| Form | Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.4. |
| Purity | Greater than 95% as determined by reducing SDS-PAGE. |
Activity & Endotoxin
| Endotoxin Level | Less than 0.001 ng/µg (0.01 EU/µg) as determined by LAL test. |
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Storage & Shipping
| Reconstitution | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles. |
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| Storage | Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
| Shipping Condition | The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below. |
Detailed Description
| Background | IL-21 induces the production of IgG1 and IgG3 in B-cells. IL-21 may promote the transition between innate and adaptive immunity. IL-21 may have a role in proliferation and maturation of natural killer cells in synergy with IL15. IL-21 stimulates interferon gamma production in T-cells and natural killer cells by synergy with IL15 and IL18. Dysregulation of IL-21 has a role in multiple immune-mediated diseases including lupus, psoriasis and chronic inflammatory diseases. |
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