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Interleukin 15, Recombinant, Human (IL-15)
Interleukin 15, Recombinant, Human (IL-15)
Pricing
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| Catalog # | I8437B | | Molecular Weight | 12.9kD, 114 amino acid residues | | Source | Escherichia coli | | Purity | Recombinant human interleukin-15 is >98% pure by SDS-PAGE and HPLC analyses. | | Endotoxin | < 0.1 ng/ug | | Biological Activity | ED50 0.5 ng/mL ( 2 x 106 units/mg). The biological activity is determined by measuring the interleukin-15 dose-dependent proliferation of murine CTLL-2 cells. A concentration range of 0.1-10 ng/mL is effective for most in vitro applications. The optimal concentration should be determined for each specific application. | | Storage and Stability. For long-term storage, aliquot and store at -20°C. Aliquots are stable for at least 6 months at -20°C. Further dilutions should be made in buffered solution containing carrier protein such as PBS + 0.1% BSA. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | | Source | Escherichia coli | | Purity | 98% by SDS-PAGE and HPLC anaylses | | Form | Supplied as a liquid in 10mM sodium phosphate, pH 8.5, carrirer-free. Further dilutions should be made in buffered solution containing carrier protein such as PBS + 0.1% BSA. | | | Important Note | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. |
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