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Alexa Fluor™ 555-Labeled Human Her2 / ErbB2 Protein, His TagStar Staining

Related Products: Cell line CHEK-ATP150
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HE2-HA2H4-25ug
$435.00
In Stock - Delivery in 2-3 business days
HE2-HA2H4-200ug
$2,695.00
In Stock - Delivery in 2-3 business days
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HE2-HA2H4
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Product Details
Performance Data
Reviews & Citations
Resources
  • Product Details
  • Performance Data
  • Reviews & Citations
  • Important Statement
  • Resources
Synonyms

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

Source

Alexa Fluor 555-Labeled Human Her2, His Tag (HE2-HA2H4) is produced via conjugation of AF555 to Human Her2, His Tag with a new generation site-specific technology under Star Staining labeling platform. Human Her2, His Tag is expressed from human 293 cells (HEK293). It contains AA Thr 23 - Thr 652 (Accession # P04626-1).

Predicted N-terminus: Thr 23

Molecular Characterization

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

Conjugate

AF555

Excitation Wavelength: 561 nm

Emission Wavelength: 572 nm

Purity

>95% as determined by SDS-PAGE.

Formulation

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

Contact us for customized product form or formulation.

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.

Shipping and Storage

This product is shipped at ambient temperature.

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

Please protect from light and avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • -20°C to -70°C for 12 months in lyophilized state;
  • -70°C for 3 months under sterile conditions after reconstitution.
ACRO Quality Management System

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 .