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Sku: CM036-5MP
Categories: Recombinant Protein

Key features and details:

  • Expression System:scherichia coli
  • Purity/method:95% as determined by SDS-PAGE. Ni-NTA chromatography.
  • Fusion tag:is-tag at the C-terminus
  • Application:WB, ELISA, SDS-PAGE, Cell culture, Elisa

Product Description:

Protein Description:

Interleukin 13 (IL-13) is a protein that in humans is encoded by the IL13 gene. IL-13 was first cloned in 1993 and is located on chromosome 5q31 with a length of 1.4kb. It has a mass of 13 kDa and folds into 4 alpha helical bundles. The secondary structural features of IL-13 are similar to that of Interleukin 4 (IL-4); however it only has 25% sequence homology to IL-4 and is capable of IL-4 independent signaling. IL-13 is a cytokine secreted by T helper type 2 (Th2) cells, CD4 cells, Natural killer T cell, Mast cell, Basophil cells, Eosinophil cells and Nuocyte cells. Interleukin-13 is a central regulator in IgE synthesis, goblet cell hyperplasia, mucus hypersecretion, airway hyperresponsiveness, fibrosis and chitinase up-regulation. It is a mediator of allergic inflammation and different diseases including asthma.

Protein Accession:P20109.1

Gene ID:16163

Species:Mouse

Expression Sequence:

MPVPRSVSLPLTLKELIEELSNITQDQTPLCNGSMVWSVDLAAGGFCVALDSLTNISNCNAIYRTQRILHGLCNRKAPTTVSSLPDTKIEVAHFITKLLSYTKQLFRHGPF with polyhistidine tag at the C-terminus.

Activity:

Measure by its ability to induce TF-1 cells proliferation. The ED50 for this effect is <4 ng/mL. The specific activity of recombinant mouse IL-13 is > 2.5 x 105 IU/mg.

C3

Endotoxin level:<0.1 EU per 1 ug of the protein by the LAL method.

Calculated Molecular Weight:13.06 kDa

Formulation:The protein was lyophilized from a solution containing 1X PBS, pH 7.4.

Reconstitution:

It is recommended to reconstitute the lyophilized protein in sterile H2O to a concentration not less than 100 ug/mL and incubate the stock solution for at least 20 min to ensure sufficient re-dissolved.

Shipping:Blue Ice

Stability and Storage:

Lyophilized protein should be stored at -20 degrees Celsius for 1 year. Upon reconstitution, store at 2 degrees Celsius to 8 degrees Celsius for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10%FBS, 5%HSA or 5% trehalose solution), protein aliquots should be stored at -20 degrees Celsius or -80 degrees Celsius for 3-6 months.

Category:Cytokines

SDS-PAGE Image Name:mouse IL-13

Datasheets and documents:

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