IL-21 Recombinant Protein


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Product Details

Reactivity HuSpecies Glossary

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IL-21 Recombinant Protein Summary

A recombinant protein corresponding to 133 amino acids of Human IL-21

Source: E. coli

Amino Acid Sequence: The amino acid sequence of this product is not available.
E. coli
Details of Functionality
The recombinant human IL-21 is fully biologically active when compared to standard. The EDSO as determined by the dose-dependent stimulation of human peripheral blood mononuclear cells is <5 ng/ml.
Endotoxin Note
<0.1 ng/ug

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
Reconstitution Instructions
Reconstitute with water to a final concentration of 0.1 - 1.0 ug/ml.

Alternate Names for IL-21 Recombinant Protein

  • IL21
  • IL-21Za11interleukin-21
  • interleukin 21
  • interleukin-21 isoform


Recombinant human IL-21 is a homodimeric, non-glycosylated polypeptide containing 133 amino acid residues and has a molecular weight of 15.5 kDa.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

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Perforin Antibodies Reveal Links to Apoptosis and Immune Response
Perforin, also known as the pore-forming protein, pfp, is a 70 kD cytolytic protein expressed in the cytoplasmic granules of cytotoxic T lymphocytes (CTLs) and natural killer (NK) cells. It is one of the major effector molecules used by CTL and NK cel...  Read full blog post.

Contact Information

Product PDFs


Gene Symbol IL21

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