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R&D Systems™ Recombinant Human IL-2 Protein

Product Code. 18785956
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Quantity:
1 mg
10 μg
100 μg
50 μg
500 μg
Unit Size:
100µg
10µg
1mg
500µg
50µg
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Product Code. 18785956

Brand: R&D Systems™ BT002010

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This item is not returnable. View return policy

Description

Contains the Cysteine to Serine substitution found in Proleukin™ (aldesleukin)

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 0.0300-0.250 ng/mL.
TRUSTED_SUSTAINABILITY

Specifications

Accession Number P60568.1
For Use With (Application) Bioactivity
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Acetate with Trehalose.
Gene ID (Entrez) 3558
Molecular Weight (g/mol) M.W.-observed: 13 kDa, under reducing conditions., M.W.-theroretical: 15.5 kDa
Quantity 10 μg
Source E. coli-derived human IL-2 protein Ala21-Thr153 (Cys145Ser), with and without an N-terminal Met
Storage Requirements 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.
Endotoxin Concentration <0.01 EU / 1 μg of the protein by the LAL method.
Gene Alias aldesleukin, IL2, IL-2, IL-2 lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Conjugate Unconjugated
Reconstitution Reconstitute the 10 μg size at 100 μg/mL in sterile deionized water. Reconstitute all other sizes (at 500 μg/mL in sterile deionized water.)
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Protein IL-2
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