Human HER3/ErbB3 Recombinant Protein (RPES0427)
- SKU:
- RPES0427
- Product Type:
- Recombinant Protein
- Species:
- Human
Description
Human HER3/ErbB3 Recombinant Protein
ErbB3, also known as Her3(human epidermal growth factor receptor3), is a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membrane-bound glycoprotein has a neuregulin binding domain but has not an active kinase domain., and therefore can not mediate the intracellular signal transduction through protein phosphorylation. However, its heterodimer with ErbB2 or other EGFR members responsible for tyrosine phosphorylation forms a receptor complex with high affinity, and initiates the related pathway which lead to cell proliferation or differentiation. ErbB3 has been shown to implicated in numerous cancers, including prostate, bladder, and breast tumors. This protein has different isoforms derived from alternative splicing variants, and among which, the secreted isoform lacking the intermembrane region modulates the activity of membrane-bound form.Immune Checkpoint Immunotherapy Cancer Immunotherapy Targeted Therapy
| Product Name: | Human HER3/ErbB3 Recombinant Protein (RPES0427) |
| Product Code: | RPES0427 |
| Size: | 10µg |
| Species: | Human |
| Expressed Host: | HEK293 Cells |
| Synonyms: | c-erbB-3,c-erbB3,EEBB3,ErbB-3,erbB3-S,HER3,LCCS2,MDA-BF-1,p180-ErbB3,p45-sErbB3,p85-sErbB3 |
| Accession: | NP_001973.2 |
| Sequence: | Met 1-Thr 643 |
| Fusion tag: | C-His |
| Activity: | Measured by its binding ability in a functional ELISA. Immobilized human ErbB3 at 2 µg/mL (100 ?l/well) can bind human NRG1 (isoform Beta1), The EC50 of human NRG1 (isoform Beta1) is 0.43 µg/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 643) of human ErbB3 (NP_001973.2) precursor was expressed, with a C-terminal polyhistidine tag. |
| Purity: | > 95 % as determined by reducing SDS-PAGE. |
| Mol Mass: | 70.2 kDa |
| AP Mol Mass: | 100-110 kDa |
| Formulation: | Lyophilized from sterile PBS, pH 7.5 |
| 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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