Rat IL-13 (109aa)

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Cat-Nr.R20-031S
Size2 µg
Price95 €
SourceE. coli
Formulationlyophilized
Purity Confirmation> 98% by SDS-PAGE & HPLC analyses
Length [aa]109
Molecular Weight11.9 kDa
Endotoxin Levels< 0.1 ng/µg of protein (<1EU/µg)
Biological ActivityThe ED50 as determined by the dose-dependant stimulation of the proliferation of human TF-1 cells is < 5 ng/ml, corresponding to a specific activity of > 2 x 105 units/mg.
Species ReactivityHuman, Rat
SynonymsIl13
DescriptionIL-13 is an immunoregulatory cytokine produced primarily by activated Th2 cells, and also by mast cells and NK cells. Targeted deletion of IL-13 in mice resulted in impaired Th2 cell development and indicated an important role for IL-13 in the expulsion of gastrointestinal parasites. IL-13 exerts anti-inflammatory effects on monocytes and macrophages and it inhibits the expression of inflammatory cytokines such as IL-1β, TNF-α, IL-6 and IL-8. IL-13 has also been shown to enhance B cell proliferation and to induce isotype switching resulting in increased production of IgE. Blocking of IL-13 activity inhibits the pathophysiology of asthma. Human and murine IL-13 is cross-species reactive. Recombinant rat IL-13 is an 11.9 kDa protein consisting of 109 amino acid residues.
Protein SequenceVRRSTSPPVA LRELIEELSN ITQDQKTSLC NSSMVWSVDL TAGGFCAALE SLTNISSCNA IHRTQRILNG LCNQKASDVA SSPPDTKIEV AQFISKLLNY SKQLFRYGH
Uniprot IDP42203
Protein RefSeqNP_446280.1
mRNA RefSeqNM_053828

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