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Description
Research Area
Immunology & Inflammation
Images & Validation
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Key Properties
−| Source | E. coli |
|---|---|
| Biological Activity | Assay #1: Measured by its ability to induce STAT3 signaling in U937 Stat3-Luc reporter cells. Assay #2: Determined by its ability to stimulate the proliferation of human ANBL-6 cells. The expected ED50 is ≤ 1.0 ng/ml, corresponding to a specific activity of ≥ 1 x 106 units/mg |
| Target | Il21 |
| Purity | Greater than 98% by SDS-PAGE gel and HPLC analyses.Endotoxin level is less than 0.1 ng per μg (1EU/μg). |
| Protein Sequence | MHKSSPQGPD RLLIRLRHLI DIVEQLKIYE NDLDPELLSA PQDVKGHCEH AAFACFQKAK LKPSNPGNNK TFIIDLVAQL RRRLPARRGG KKQKHIAKCP SCDSYEKRTP KEFLERLKWL LQKMIHQHLS |
Storage & Handling
−| Storage | The lyophilized IL-21 recombinant protein is stable for at least 2 years from date of receipt at -20°C. Reconstituted IL-21 is stable for at least 3 months when stored in working aliquots with a carrier protein at -20°C. As with any protein, exposing IL-21 recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature. |
|---|---|
| Form/Appearance | Lyophilized |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Alternative Names
−IL-21, Interleukin-21, IL-21
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Quick Database Links
UniProt Details
− No UniProt data available
NCBI Reference Sequences
−Associated Accession Numbers
Curated reference sequences for the gene transcript and protein product| Protein | NP_068554.1 |
|---|
Protocol Information
Protein Handling and Storage Guide
Protein Handling Guide
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