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Recombinant Human IL-13 Protein

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SDS-Page: Human IL-13 Protein [NBP2-35018]

Product Details

Summary
Reactivity HuSpecies Glossary
Applications PAGE, Bioactivity
Format
Carrier-Free
Concentration
LYOPH

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Recombinant Human IL-13 Protein Summary

Description
A single non-glycosylated polypeptide chain containing 112 amino acids corresponding to IL-13 Source: E. coli

Uniprot ID: P35225

Amino Acid Sequence: GPVPPSTALR ELIEELVNIT QNQKAPLCNG SMVWSINLTA GMYCAALESL INVSGCSAIE KTQRMLSGFC PHKVSAGQFS SLHVRDTKIE VAQFVKDLLL HLKKLFREGR FN

Details of Functionality
IL-13 protein is fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 1 ng/ml, corresponding to a specific activity of > 1.0 x 10^6 IU/mg
Source
E. coli
Protein/Peptide Type
Recombinant Protein
Gene
IL13
Purity
> 97 % pure by SDS-PAGE and HPLC
Endotoxin Note
Less than 1 EU/ug of IL-13 as determined by LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
  • SDS-Page
Theoretical MW
12.5 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publication using NBP2-35018.

Packaging, Storage & Formulations

Storage
Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles.
Buffer
Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
Preservative
5% Trehalose
Concentration
LYOPH
Purity
> 97 % pure by SDS-PAGE and HPLC
Reconstitution Instructions
Recommended to centrifuge prior to opening. Reconstitute in 20 mM HCl to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20C.

Notes

This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.

Alternate Names for Recombinant Human IL-13 Protein

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

Background

Human Interleukin-13 (IL-13) is expressed by the IL13 gene located on the chromosome 5 and secreted by many cell types, especially T helper type 2 (Th2) cells. The high solution from of IL-13 reported to be a monomer with two internal disulfide bonds that contribute to a bundled four alpha-helix configuration. 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-1beta, TNF-alpha, 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. Human, mouse and rat IL-3 share low homology, but have cross species activity.

Limitations

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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Publications for IL-13 Recombinant Protein (NBP2-35018)(1)

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Bioinformatics

Gene Symbol IL13
Uniprot