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R&D Systems™ Human IL-21, 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

$249.00 - $729.00

Specifications

Gene Alias IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform
Source E. coli-derived human IL-21 protein Gln25-Ser155,with a N-terminal Met
Conjugate Unconjugated
Recombinant Yes
Gene ID (Entrez) 59067
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
88-79I-L010CF
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R&D Systems™
8879IL010/CF
10μg
Each for $249.00
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88-79I-L050CF
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R&D Systems™
8879IL050/CF
50μg
Each for $729.00
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Description

Description

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.
Specifications

Specifications

IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform
Unconjugated
59067
Human
IL21
<0.10 EU per 1μg of the protein by the LAL method.
Bioactivity
E. coli-derived human IL-21 protein Gln25-Ser155,with a N-terminal Met
Yes
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining
Observed M.W.: 17kDa, reducing conditions, Theoretical M.W.: 15kDa
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.
Q9HBE4
E. coli-derived Gln25-Ser155, with a N-terminal Met
SDS
Product Certifications
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