Recombinant Human IL-13 Protein



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Recombinant Human IL-13 Protein Summary

A partial protein corresponding to IL13.
E. coli expressed amino acids Gly 21-Leu 132 of mature human IL-13 (accession #NM_002188).
Details of Functionality
Measured by human TF-1 cell proliferation assay. The ED50 as determined by the dose-dependent proliferation of TF-1 cells is typically 1.0-5.0 ng/ml, corresponding to a specific activity of 0.2-1.0 x 10^6 Units/mg.
Protein/Peptide Type
Partial Recombinant Protein
Endotoxin Note
Less than 0.01 ng/ug cytokine as determined by the LAL assay.


Application Notes
This recombinant human IL-13 has been tested by a sandwich ELISA using the anti-human IL-13 ELISA antibody pair (PVM13-1 / polyclonal anti-human IL-13), and in bioassays using the IL-13 responsive cell line TF-1.

Reactivity Notes

This protein was made to the human sequence.

Packaging, Storage & Formulations

Store at -80C. Avoid freeze-thaw cycles.
Sterile liquid; 10 mM sodium phosphate, pH 7.2, 150 mM NaCl, with 0.5% BSA. 0.22 um filtered.
0.09% Sodium Azide


Purity: Greater than 98%, as determined by SDS-PAGE

Alternate Names for Recombinant Human IL-13 Protein

  • ALRHMGC116789
  • BHR1interleukin-13
  • IL13
  • IL-13
  • IL-13MGC116788
  • interleukin 13
  • MGC116786
  • NC30
  • P600


Human interleukin-13 (IL-13), also known as NC30, is a 12.5 kDa protein secreted by activated T helper cells, CD8+ T cells, and NK cells. The biological activities of IL-13 include suppression of macrophage cytotoxic activity, upregulation of IL-1RA expression and suppression of inflammatory cytokine expression.


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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Gene Symbol IL13