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R&D Systems™ Recombinant Human IL-2, Animal-Free Protein

Measured in a cell proliferation assay using CTLL-2 mouse cytotoxic T cells

$240.50 - $755.00

Specifications

Accession Number P60568
Buffer Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA with Trehalose.
Conjugate Unconjugated
Endotoxin Level <0.01 EU per 1 µg of the protein by the LAL method.
For Use With (Application) Bioactivity
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
AFL202010
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R&D Systems™
AFL202010
10 µg
Each for $240.50
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AFL202050
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R&D Systems™
AFL202050
50 µg
Each for $755.00
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Description

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

Specifications

P60568
Unconjugated
Bioactivity
M.W. (theoretical): 15 kDa
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
E. coli-derived human IL-2 protein Ala21-Thr153, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 3 months, 2°C to 8°C under sterile conditions after reconstitution.
Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA with Trehalose.
<0.01 EU per 1 µg of the protein by the LAL method.
3558
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
Reconstitute at 0.2 mg/mL in sterile 100 mM Acetic Acid. Alternatively, reconstitute at 0.1 mg/mL in sterile deionized water and use within 24 hours, store (at 2°C to 8°C.)
Human
SDS
Product Certifications
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