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Human IL-13 protein, His tag (Animal-Free)

Human IL-13 protein, His tag (Animal-Free)

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Specification

Product name Human IL-13 protein, His tag (Animal-Free)
Sequence Amino acid sequence derived from Human IL-13 (Gly21-Asn132)(P35225) was expressed with 6×His tag at the C-terminus
Applications His tag
Applications notes Human
Activity Measure by its ability to induce TF-1 cells proliferation.The ED₅₀ for this effect is<0.8 ng/mL.The specific activity of recombinant human IL-13 is approximately >1 x10⁶ IU/ mg.
Protein length The secreted Human IL-13 consists of 112 amino acids and has a predicted molecular mass of 13.3 kDa
Preparation method E. coli
Purity >95% as determined by SDS-PAGE.
Alternative NC30

Product Properties

Formulation Lyophilized from sterile PBS, pH 8.0
Features & Benefits Endotoxin:<0.01 EU per 1 μg of the protein by the LAL method.
Molecular weight The protein has a calculated MW of 13.28 kDa.The protein migrates as 15 kDa under reducing condition (SDS-PAGE analysis).
Usage notes Always centrifuge tubes before opening. It is recommended to reconstitute the lyophilized Human IL-13 protein to a concentration of 0.1-1 mg/mL in sterile ddH2O, and keep at room temperature for at least 20 min to fully dissolve. Please avoid vortex vigorously
Storage instructions Lyophilized protein product should be stored desiccated below -18°C. Upon reconstitution, the protein should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (5% HSA , 10%FBS or 0.1%BSA). Please prevent freeze-thaw cycles.
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Interleukin-13 is also called IL-13. It is a protein encoded by the IL-13 gene in humans. Interleukin-13 is an immunomodulatory cytokine mainly produced by activated Th2 cells. It participates in several stages of B cell maturation and differentiation. It upregulates the expression of CD23 and MHCⅡ, and promotes the transformation of IgE isoforms in B cells. This cytokine down-regulates the activity of macrophages, thus inhibiting the production of proinflammatory cytokines and chemokines
Alternative NC30
Accession P35225

Image & description

Fig.SDS-PAGE analysis of Human IL-13 protein

Fig.SDS-PAGE analysis of Human IL-13 protein

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