Human CellExp™ IL-4 Rα, Human Recombinant

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SKU:
7101-50
€185
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Description

Human CellExp™ IL-4 Rα, Human Recombinant is available at Gentaur for Next week delivery.

A receptor for both interleukin 4 and interleukin 13

Biomolecule/Target: IL-4 Rα

Alternates names: soluble IL-4 receptor alpha, CD124

Synonyms: soluble IL-4 receptor alpha, CD124

Background Information: IL-4 can signal through type I and type II receptor complexes, which share a common gamma chain (γc). The type I receptor contains in addition to the γc an IL-4Rα subunit, whereas the type II receptor contains the IL-13Rα. The secreted extracellular domain of IL-4Rα, called sIL-4Rα, binds IL-4 and antagonizes its activity. It plays an important role in regulating the differentiation of naïve CD4+ T cells and class switching to IgG1 and IgE. Recombinant human sIL-4Rα is a 209 amino acid protein which corresponds to the entire extracellular domain of IL- 4Rα.

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to - 80°C

NCBI Gene Symbol: IL4RA

Gene ID: 3566

NCBI Accession: P24394

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Additional Information

Size:
50 μg
Country of Manufacturing Origin:
USA
Country of Animal Origin:
USA
Gene Source:
Human
Recombinant:
Yes
Source:
HEK293 cells
Purity by SDS-PAGE:
≥98%
Assay:
SDS-PAGE
Purity:
N/A
Assay 2:
HPLC
Endotoxin Level:
< 0.1 ng/μg of protein (<1EU/μg).
Activity (Specifications/test method):
Determined by its ability to inhibit the IL-4-dependent proliferation of human TF-1 cells. The expected ED50 is ≤ 5.0 ng/ml (in the presence of 0.5 ng/ml of hIL-4), corresponding to a specific activity of ≥ 2 x 105 units/mg.
Biological activity:
Determined by its ability to inhibit the IL-4-dependent proliferation of human TF-1 cells. The expected ED50 is ≤ 5.0 ng/ml (in the presence of 0.5 ng/ml of hIL-4), corresponding to a specific activity of ≥ 2 x 105 units/mg.
Results:
N/A
Molecular Weight:
~24 kDa
Storage Temperature:
-20°C
Shelf Life:
12 months
Concentration:
N/A
Appearance:
Lyophilized powder
Handling:
Centrifuge the vial prior to opening.
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