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Human IL-4 R alpha / CD124 Protein, Fc Tag

分子别名(Synonym)

IL4R,CD124,IL4RA

表达区间及表达系统(Source)

Human IL-4 R alpha, Fc Tag (ILR-H5253) is expressed from human 293 cells (HEK293). It contains AA Met 26 - His 232 (Accession # P24394-1).

Predicted N-terminus: Met 26

蛋白结构(Molecular Characterization)

Online(Met 26 - His 232) P24394-1

This protein carries a human IgG1 Fc tag at the C-terminus.

The protein has a calculated MW of 50.4 kDa. The protein migrates as 60-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253) SDS-PAGE gel

Human IL-4 R alpha, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human IL-4, Tag Free (Cat. No. IL4-H4218) at 5 μg/mL (100 μL/well)can bind Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253) with a linear range of 1-20 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Immobilized Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253) at 5 μg/mL (100 μL/well)can bind Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) with a linear range of 0.1-2 ng/mL (Routinely tested).

Protocol

Biotinylated Human ELISA

Serial dilutions of Monoclonal IL-4R/CD124 Neutralizing Antibody were added into Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253): Biotinylated Human IL-4, Avitag,His Tag (Cat. No. IL4-H82E0) binding reactions. The half maximal inhibitory concentration (IC50) is 1.144 μg/mL (Routinely tested).

Protocol

背景(Background)

IL-4 R alpha is also known as IL4R, CD124, IL-4RA.This gene encodes the alpha chain of the interleukin-4 receptor, a type I transmembrane protein that can bind interleukin 4 and interleukin 13 to regulate IgE antibody production in B cells. Allelic variations in this gene have been associated with atopy, a condition that can manifest itself as allergic rhinitis, sinusitis, asthma, or eczema. The binding of IL-4 or IL-13 to the IL-4 receptor on the surface of macrophages results in the alternative activation of those macrophages. Interleukin-4 receptor has been shown to interact with SHC1.

 

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IL-4 R alpha靶点信息
英文全称:Interleukin-4 receptor subunit alpha
中文全称:白细胞介素-4受体α亚基
种类:Homo sapiens
上市药物数量:1详情
临床药物数量:5详情
最高研发阶段:批准上市
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