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Pack Size | Price | Availability | Quantity |
---|---|---|---|
10 μg | $116 | 7-10 days | |
50 μg | $310 | 7-10 days | |
500 μg | $1,900 | 7-10 days | |
1 mg | $2,730 | 7-10 days |
Description | HER2/ERBB2 Protein, Human, Recombinant (aa 23-652, hFc) is expressed in HEK293 mammalian cells with C-Fc tag. The predicted molecular weight is 120-145 KDa and the accession number is P04626. |
Species | Human |
Expression System | HEK293 Cells |
Tag | C-hFc |
Accession Number | P04626 |
Synonyms | TKR1,Proto-oncogene Neu,EGFR2,Tyrosine kinase-type cell surface receptor HER2,Metastatic lymph node gene 19 protein,NGL,Receptor tyrosine-protein kinase erbB-2,MLN19,ERBB2 |
Amino Acid | Thr23-Thr652 |
Construction | Thr23-Thr652 |
Protein Purity | Greater than 95% as determined by reducing SDS-PAGE. Greater than 95% as determined by SEC-HPLC. |
Molecular Weight | 120-145 KDa (reducing condition) |
Endotoxin | < 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. |
Reconstitution | Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
Stability & Storage | Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
Shipping | In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice. |
Research Background | Human epidermal growth factor receptor 2 (HER2) is a type of membrane glycoprotein, and belongs to the epidermal growth factor (EGF) receptor family. HER2 plays a key role in development, cell proliferation and differentiation. HER2 has been reported to associate with malignancy and a poor prognosis in numerous carcinomas, including breast, prostate, ovarian, lung cancers and so on. HER2 is activated by dimerization and not activated by EGF, TGF-alpha and amphiregulin. Interaction with PTK6 increases its intrinsic kinase activity.It is heterodimer with EGFR, ERBB3 and ERBB4. HER2 associates with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter and activates its transcription. It implicated in transcriptional activation of CDKN1A and the function of the protein involves STAT3 and SRC. And also it involved in the transcription of rRNA genes by RNA Pol I and enhances protein synthesis and cell growth. |
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