IL-13 (113aa)
IL-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 a 12.3 kDa protein consisting of 113 amino acid residues.
Product Specifications
Synonyms
Il13
NCBI Gene ID
116553
UniProt
P42203
Accession Number
NP_446280.1
Accession Number mRNA
NM_053828
Chromosomal Location
10q22
Reactivity
Rat
Cross Reactivity
Human
Sequence
TPGPVRRSTS PPVALRELIE ELSNITQDQK TSLCNSSMVW SVDLTAGGFC AALESLTNIS SCNAIHRTQR ILNGLCNQKA SDVASSPPDT KIEVAQFISK LLNYSKQLFR YGH
Endotoxin
< 0.1 ng/µg of protein (< 1EU/µg)
Purity
> 98% by SDS-PAGE & HPLC analyses
Bioactivity
The ED50 was determined by the dose-dependent proliferation of TF-1 cells is < 5.0 ng/ml, corresponding to a specific activity of > 2 x 105 units/mg.
Length
113
Form
Lyophilized
Molecular Weight
12.3 kDa
Host or Source
E. coli
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