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R&D Systems™ Human IL-15, Carrier-Free Recombinant Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Brand:  R&D Systems™ 247-ILB-025/CF

Encompass

Product Code. 15749913

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Description

Description

Measured in a cell proliferation assay using MO7e human megakaryocytic leukemic cells. The ED50 for this effect is 0.3-2.6 ng/mL. The specific activity of Recombinant Human IL-15 is approximately 4.5 x 105 U/μg, which is calibrated against recombinant human IL-15 WHO International Standard (NIBSC code: 95/554). Specific activity is for reference purposes only and is not routinely tested.
Specifications

Specifications

P40933.1
3600
25μg
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
IL15, IL-15MGC9721, interleukin 15, interleukin-15
IL15
Unconjugated
Lyophilized from a 0.2μm filtered solution in PBS. Reconstitute at 100μg/mL in sterile PBS.
Observed M.W.: 10kDa, reducing conditions, Theoretical M.W.: 13kDa
E. coli-derived human IL-15 protein Asn49-Ser162
<0.10 EU per 1μg of the protein by the LAL method.
IL-15
Measured in a cell proliferation assay using MO7e human megakaryocytic leukemic cells. The ED50 for this effect is typically 0.3-2.6ng/mL. The specific activity of Recombinant Human IL-15 is approximately 4.5 x 105 U/μg, which is calibrated against recombinant human IL-15 WHO International Standard (NIBSC code: 95/554).
Yes
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