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R&D Systems™ Recombinant Human IL-21 Protein

Product Code. 18127760
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Quantity:
10 μg
50 μg
Unit Size:
10µg
50µg
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Product Code. 18127760

Brand: R&D Systems™ 8879IL010

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This item is not returnable. View return policy

Description

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

The Recombinant Human IL-21 Protein is derived from E. coli. The Recombinant Human IL-21 Protein has been validated for the following applications: Bioactivity.
TRUSTED_SUSTAINABILITY

Specifications

Accession Number Q9HBE4
For Use With (Application) Bioactivity
Formulation Lyophilized from a 0.2μm filtered solution in PBS with BSA as a carrier protein.
Gene ID (Entrez) 59067
Molecular Weight (g/mol) Observed M.W.: 17kDa, reducing conditions, Theoretical M.W.: 15kDa
Quantity 10 μg
Source E. coli-derived human IL-21 protein Gln25-Ser155,with a N-terminal Met
Storage Requirements 12 months from date of receipt, ≤ -20° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, ≤ -20° C under sterile conditions after reconstitution.
Endotoxin Concentration <0.10 EU per 1μg of the protein by the LAL method.
Gene Alias IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform
Common Name IL-21
Gene Symbol IL21
Biological Activity Measured in a cell proliferation assay using N1186 human T cells. Parrish-Novak, J. et al. (2000) Nature 408:57. The ED50 for this effect is typically 2-12ng/mL.
Conjugate Unconjugated
Species Human
Recombinant Recombinant
Expression System E. coli-derived Gln25-Ser155, with a N-terminal Met
Purity or Quality Grade >95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining
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