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C13 and N15-labeled, Human Her2 / ErbB2 Protein

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)

Recombinant Human HER2 /ErbB2 MS Standard Protein, C13 and N15-labeled (HER2 / ErbB2, Heavy Labeled) Thr 23 - Thr 652 (Accession # AAA75493) was produced in human 293 cells (HEK293) with fully chemically defined cell culture medium to obtain >99% incorporation efficiency at ACROBiosystems.

Predicted N-terminus: Thr 23

蛋白结构(Molecular Characterization)

Her2(Thr 23 - Thr 652) AAA75493

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 70.2 kDa. The protein migrates as 110-115 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

HER2 / ErbB2, Heavy Labeled is labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine

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 PBS, pH7.4. 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.

No activity loss is observed after storage at:

  1. 4-8°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

C13 and N15-labeled, Human Her2 (Cat. No. HE2-H9225) SDS-PAGE gel

C13 and N15-labeled, Human Her2 on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

 

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 andregulation of cell growth and differentiation.

参考文献(References)

Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.


货号/价格

HE2-H9225-5ug / ¥7900

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