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R&D Systems™ Recombinant Human IL-2 Protein
Version with mutation found in aldesleukin Available!
Brand: R&D Systems™ 202-IL-010/CF
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Description
Measured in a cell proliferation assay using CTLL-2 mouse cytotoxic T cells. Gearing, A.J.H. and C.B. Bird (1987) in Lymphokines and Interferons, A Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 295. The ED50 for this effect is 0.05-0.25 ng/mL. The specific activity of Recombinant Human IL-2 is approximately 2.1 x 104 IU/μg, which is calibrated against recombinant human IL-2 WHO International Standard (NIBSC code: 86/500).Specifications
| P60568 | |
| Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA. | |
| 13 kDa, under reducing conditions. | |
| 10 μg | |
| Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution. | |
| IL2 | |
| Recombinant | |
| >97%, by SDS-PAGE under reducing conditions and visualized by silver stain. |
| Bioactivity | |
| 3558 | |
| IL-2 | |
| E. coli-derived human IL-2 protein Ala21-Thr153, with an N-terminal Met | |
| <0.10 EU / 1 μg of the protein by the LAL method. | |
| Unconjugated | |
| Reconstitute at 100 μg/mL in sterile 100 mM Acetic Acid. Alternatively, reconstitute at 100 μg/mL in sterile deionized water and use within 24 hours, store (at 2°C to 8°C.) | |
| IL-2 |
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