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 >  Protein>ErbB4 >ER4-H5251

Human ErbB4 / Her4 Protein, Fc Tag

分子别名(Synonym)

HER4,ErbB4,MGC138404,p180erbB4

表达区间及表达系统(Source)

Human ErbB4, Fc Tag (ER4-H5251) is expressed from human 293 cells (HEK293). It contains AA Gln 26 - Pro 651 (Accession # Q15303-1).

Predicted N-terminus: Gln 26

Request for sequence

蛋白结构(Molecular Characterization)

ErbB4 Structure

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

The protein has a calculated MW of 96.0 kDa. The protein migrates as 90-106 kDa and 116-120 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)

>90% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

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)

ErbB4 SDS-PAGE

Human ErbB4, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)-ELISA

ErbB4 ELISA

Immobilized Human ErbB4, Fc Tag (Cat. No. ER4-H5251) at 2 μg/mL (100 μL/well) can bind Human NRG1-beta 1 Protein with a linear range of 0.6-10 ng/mL (Routinely tested).

Protocol

 

背景(Background)

Receptor tyrosine-protein kinase erbB-4 (ErbB4), also known as Her4, is a single-pass type I transmembrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors. ErbB family members serve as receptors for the epidermal growth factor (EGF) family of growth factors. ErbB4 is expressed in normal skeletal muscle, heart, pituitary, brain and several breast carcinomas. ERBB4 contains multiple furin-like cysteine rich domains, a tyrosine kinase domain, a phosphotidylinositol-3 kinase binding site and a PDZ domain binding motif. The protein binds to and is activated by neuregulins-2 and -3, heparin-binding EGF-like growth factor and betacellulin. Ligand binding induces a variety of cellular responses including mitogenesis and differentiation. Multiple proteolytic events allow for the release of a cytoplasmic fragment and an extracellular fragment. ErbB4 appears to play important roles in neuronal development, development of the heart and cancer. ERBB4 has been shown to interact with: DLG4, NRG1, STAT5A, and YAP1. Mutations in this gene have been associated with cancer. Other single-nucleotide polymorphisms and a risk haplotype have been linked to schizophrenia.

 

前沿进展

 
 
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ErbB4靶点信息
英文全称:Receptor protein-tyrosine kinase erbB-4
中文全称:受体蛋白酪氨酸激酶 erbB-4
种类:Homo sapiens
上市药物数量:5详情
临床药物数量:14详情
最高研发阶段:批准上市
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