| Product name: |
Recombinant Human IL-21 |
| Description: |
Recombinant Human Interleukin-21 is produced by our E.coli expression system and the target gene encoding Gln30-Ser162 is expressed. |
| Expression Host: |
E.coli |
| Accession: |
Q9HBE4 |
| Molecular weight: |
15.6 KDa |
| Apparent molecular weight: |
16 KDa, reducing conditions |
| Other names: |
Interleukin-21; IL-21; Za11; IL21 |
| FORMULATION: |
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. |
| Endotoxin: |
Less than 0.001 ng/μg (0.01 EU/μg) as determined by LAL test. |
| Redissolve: |
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.? |
| 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. |
| Delivery condition: |
The product is shipped at ambient temperature.
Upon receipt, store it immediately at the temperature listed below. |
| 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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