Recombinant Human IL-13 (C-Fc)

Product Specifications

Background

Interleukin-13 is also known as IL-13. It is a protein that in humans is encoded by the IL13 gene. Interleukin-13 is an immunoregulatory cytokine produced primarily by activated Th2 cells.It is involved in several stages of B-cell maturation and differentiation. It up-regulates CD23 and MHC class II expression, and promotes IgE isotype switching of B cells. This cytokine down-regulates macrophage activity, thereby inhibits the production of pro-inflammatory cytokines and chemokines. This cytokine is found to be critical to the pathogenesis of allergen-induced asthma but operates through mechanisms independent of IgE and eosinophils.

Product Name Alternative

Interleukin-13; IL-13

Accession Number

AAK53823

Host

Human Cells

Endotoxin

<1 EU/µg as determined by LAL test.

Purity

Greater than 95% as determined by reducing SDS-PAGE

Form

Lyophilized

Reconstitution

Always centrifuge tubes before opening.Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100μg/ml.Dissolve the lyophilized protein in distilled water.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.

Molecular Weight

39.2 KDa

Shipping Conditions

The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.

Storage Conditions

Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.

Formulation

Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.

Construct

Recombinant Human Interleukin-13 is produced by our Mammalian expression system and the target gene encoding Gly21/xa0/xad/xa0Asn132 is expressed with a human IgG1 Fc tag at the C-terminus.