Human HER2/ErbB2 Recombinant Protein (RPES1206)
- SKU:
- RPES1206
- Product Type:
- Recombinant Protein
- Species:
- Human
Description
Human HER2/ErbB2 Recombinant Protein
Epidermal growth factor receptor 2 (HER2), also known as ErbB2, NEU, and CD340, is a type I membrane glycoprotein, and belongs to the epidermal growth factor (EGF) receptor family. HER2 protein cannot bind growth factors due to the lacking of ligand binding domain of its own and autoinhibited constitutively. However, HER2 forms a heterodimer with other ligand-bound EGF receptor family members, therefore stabilizes ligand binding and enhances kinase-mediated activation of downstream molecules. HER2 plays a key role in development, cell proliferation and differentiation. HER2 gene has been reported to associate with malignancy and a poor prognosis in numerous carcinomas, including breast, prostate, ovarian, lung cancers and so on.Immune Checkpoint Immunotherapy Cancer Immunotherapy Targeted Therapy
| Product Name: | Human HER2/ErbB2 Recombinant Protein (RPES1206) |
| Product Code: | RPES1206 |
| Size: | 50µg |
| Species: | Human |
| Expressed Host: | HEK293 Cells |
| Synonyms: | Receptor tyrosine-protein kinase erbB-2, Metastatic lymph node gene 19 protein, Proto-oncogene Neu,Tyrosine kinase-type cell surface receptor HER2, ERBB2,MLN19,NGL,TKR1,CD340,ENV,ENVW,ERVWE1,HER-2,HER-2/neu,HER2,HERV-7q,HERV-W-ENV,HERV7Q,HERVW,HERVWENV,MLN 19,TKR1 |
| Accession: | NP_004439.2 |
| Sequence: | Met 1-Thr 652 |
| Fusion tag: | C-His |
| Activity: | Measured by its binding ability in a functional ELISA. Immobilized human Erbb2 at 2.5 µg/ml (100 ?l/well) can bind Herceptin with a linear ranger of 1.28-32 ng/ml. |
| Endotoxin: | <1.0 EU per µg as determined by the LAL method. |
| Protein Construction: | A DNA sequence encoding the extracellular domain (Met 1-Thr 652) of human ErbB2 (NP_004439.2) was fused with the polyhistidine tag at the C-terminus. |
| Purity: | > 90 % as determined by reducing SDS-PAGE. |
| Mol Mass: | 71 kDa |
| AP Mol Mass: | 100-110 kDa |
| Formulation: | Lyophilized from sterile PBS, pH 7.41. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.2. Please contact us for any concerns or special requirements.Please refer to the specific buffer information in the hard copy of CoA. |
| Shipping: | This product is provided as lyophilized powder which is shipped with ice packs. |
| Stability and Storage: | Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months. |
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