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 >  Protein>Her2 >HE2-C5253

Cynomolgus Her2 / ErbB2 Protein, Fc Tag

分子别名(Synonym)

ERBB2,CD340,HER-2,neu,HER2,MLN19,NEU,NGL,TKR1

表达区间及表达系统(Source)

Cynomolgus Her2 Protein, Fc Tag (HE2-C5253) is expressed from human 293 cells (HEK293). It contains AA Thr 23 - Thr 652 (Accession # XP_005584091.2).

Predicted N-terminus: Thr 23

Request for sequence

蛋白结构(Molecular Characterization)

Her2 Structure

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

The protein has a calculated MW of 95.8 kDa. The protein migrates as 120-150 kDa when calibrated against Star Ribbon Pre-stained Protein Marker 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)

Her2 SDS-PAGE

Cynomolgus Her2 Protein, 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% (With Star Ribbon Pre-stained Protein Marker).

 

活性(Bioactivity)-ELISA

Her2 ELISA

Immobilized Cynomolgus Her2 Protein, Fc Tag (Cat. No. HE2-C5253) at 1 μg/mL (100 μL/well) can bind Trastuzumab Biosimilar with a linear range of 0.4-6 ng/mL (QC tested).

Protocol

Her2 ELISA

Immobilized Cynomolgus Her2 Protein, Fc Tag (Cat. No. HE2-C5253) at 1 μg/mL (100 μL/well) can bind Bispecific Antibody (Her2 × Her3) with a linear range of 0.4-6 ng/mL (Routinely tested).

Protocol

Her2 ELISA

Immobilized Cynomolgus Her2 Protein, Fc Tag (Cat. No. HE2-C5253) at 1 μg/mL (100 μL/well) can bind Pertuzumab Biosimilar with a linear range of 2-25 ng/mL (Routinely tested).

Protocol

 

背景(Background)

Human Epidermal growth factor Receptor 2 (HER2) is also called ERBB2, HER-2,HER-2 /neu, NEU, NGL,TKR1 and c-erb B2,and is a protein giving higher aggressiveness in breast cancers. It is a member of the ErbB protein family, more commonly known as the epidermal growth factor receptor family. HER2 is a cell membrane surface-bound receptor tyrosine kinase and is normally involved in the signal transduction pathways leading to cell growth and differentiation. HER2 is thought to be an orphan receptor, with none of the EGF family of ligands able to activate it. Approximately 30% of breast cancers have an amplification of the HER2 gene or overexpression of its protein product. Overexpression of this receptor in breast cancer is associated with increased disease recurrence and worse prognosis. HER2 appears to play roles in development, cancer, communication at the neuromuscular junction and regulation of cell growth and differentiation .

 

前沿进展

 
 
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Her2靶点信息
英文全称:Receptor protein-tyrosine kinase erbB-2
中文全称:受体蛋白酪氨酸激酶 erbB-2
种类:Homo sapiens
上市药物数量:34详情
临床药物数量:202详情
最高研发阶段:批准上市
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