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Interleukin 2, Recombinant, Human (IL-2)
Interleukin 2, Recombinant, Human (IL-2)
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| Human Interleukin-2 (IL-2) is a lymphokine which biological effects include activation and proliferation of T cells, B cells, and other lymphokine activated killer cells. Human IL-2 is composed of 133aa, including 3 cysteine residues, two of which are involved in a disulfide bond essential for biological activity. Human and murine IL-2 are 62% homologous, and human IL-2 has been found to be active on murine cell lines. | | | Catalog # | I7663-26Z4 | | Biological Activity | The biological activity is determined by a lymphocyte proliferation assay ~160,000 IU (International units). | | Storage and Stability | Lyophilized powder may be stored at -20°C. Reconstitute to with sterile dH2O, aliquot and store at -20°C. Reconstituted product is stable for 6 months at -20°C. 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. | | Molecular Weight | 15kD | | Source | E. coli | | Purity | Purified. 95% pure by SDS gel electrophoresis. | | Concentration | As reported | | Form | Supplied as a lyophilized powder from sodium phosphate, SDS, mannitol. Reconstitute with sterile ddH2O. | | | 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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