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Product Description
IL-21 Recombinant Protein | 40-425 | ProSci
Tested Application: N/A
Application: N/A
Tpredicted Molecular Weight: N/A
Physical State: Lyophilized
Buffer: N/A
Storage Condition: 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.
Alternate Name: IL-21, Interleukin-21, IL-21
Background: N/A
Shipping: N/A
Disclaimer: This product is for research use only.
Source: E. coli
Species: Murine
By Source: E. Coli
By Species: Mouse
Fusion Tag: N/A
Sequence: MHKSSPQGPD RLLIRLRHLI DIVEQLKIYE NDLDPELLSA PQDVKGHCEH AAFACFQKAK LKPSNPGNNK TFIIDLVAQL RRRLPARRGG KKQKHIAKCP SCDSYEKRTP KEFLERLKWL LQKMIHQHLS
Bological 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
Purity: Greater than 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin level is less than 0.1 ng per μg (1EU/μg).
