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R&D Systems™ ProDots Human IL-2 Recombinant Protein
Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.
Supplier: R&D Systems™ PRD20210
This item is not returnable.
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Description
The ProDots Recombinant Human IL-2 Protein is derived from E. coli. The ProDots Recombinant Human IL-2 Protein has been validated for the following applications: Bioactivity.Specifications
P60568 | |
3558 | |
50μg | |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 6 months from date of receipt at room temperature as supplied. 12 months from date of receipt at 2-8° C as supplied. 1 month at 2-8° C under sterile conditions after reconstitution. 3 months at -20 to -80° C under sterile conditions after reconstitution. | |
aldesleukin, IL2, IL-2lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, T cell growth factor, T-cell growth factor, TCGF | |
IL2 | |
Unconjugated | |
Recombinant | |
E. coli-derived Ala21 - Thr153, with an N-terminal Met |
Bioactivity | |
Observed M.W.: 13kDa, reducing conditions, Theoretical M.W.: 15kDa | |
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. | |
IL-2 | |
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 typically 0.05-0.25ng/mL | |
Human | |
For a stock solution, reconstitute at 100 μg/mL in sterile 100 mM Acetic Acid, or simply roll ProDot™ directly into cell culture medium for immediate use. | |
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain |
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