Her3/ErbB3
- 产品详情
- 实验流程
| Primary Accession | Q61526 |
|---|---|
| Species | Mouse |
| Sequence | Ser20-His641 |
| Purity | > 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC |
| Endotoxin Level | Less than 1EU per µg by the LAL method. |
| Biological Activity | Immobilized Her3/ErbB3, His, Mouse (Cat.No.: Z03910) at 2 µg/ml (100 µl/Well) on the plate can bind Human NRG1 Beta 1, hFc Tag |
| Expression System | HEK293 |
| Theoretical Molecular Weight | 69.59 kDa |
| Formulation | Lyophilized from a 0.22 µm filtered solution in PBS, pH 7.4. |
| Reconstitution | It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH2O more than 100 µg/ml. |
| Storage & Stability | Upon receiving, the product remains stable up to 6 months at -20 °C or below. Upon reconstitution, the product should be stable for 3 months at -80 °C. Avoid repeated freeze-thaw cycles. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
| Gene ID | 13867 |
|---|---|
| Other Names | Receptor tyrosine-protein kinase erbB-3, 2.7.10.1, Glial growth factor receptor, Proto-oncogene-like protein c-ErbB-3, Erbb3 |
| Target Background | Her3, also called ErbB3, is a type I membrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors.Her3 is expressed in keratinocytes, melanocytes, skeletal muscle cells, embryonic myoblasts and Schwann cells. Monomeric Her3 serves as a low affinity receptor for the heregulins (HRG). |
For Research Use Only. Not For Use In Diagnostic Procedures.
| Name | Erbb3 |
|---|---|
| Function | Tyrosine kinase receptor that, despite substitutions of key catalytic residues in the kinase domain, retains residual catalytic activity enabling autophosphorylation. Functions primarily as a heterodimer, preferentially partnering with ERBB2/HER2, which phosphorylates ERBB3 on specific tyrosine residues and provides the kinase activity required for downstream signaling. Binds neuregulins NRG1 and NRG2 through its extracellular domain, which induces conformational change from a tethered autoinhibited state to an extended conformation competent for dimerization. Upon heterodimerization and trans-phosphorylation, acts as the most efficient activator of the PI3K/AKT pathway within the ErbB family. Also activates the RAS/MAPK/ERK cascade to promote cell proliferation (By similarity). Plays an essential role in cardiac development; required for normal formation of the endocardial cushion and ventricular trabeculation during embryogenesis (PubMed:9362461). Critical for peripheral nervous system development, where neuregulin- 1/ERBB3 signaling drives Schwann cell survival, proliferation, and differentiation, and is required for axonal myelination (PubMed:9338783). Involved in epithelial morphogenesis and mammary gland development (PubMed:19019207). Also involved in the regulation of myeloid cell differentiation. Participates in a regulatory feedback loop whereby pathway activation induces transcriptional up-regulation of ERBB3 expression. Participates in vesicular sorting by stabilizing the ARF6-GGA3-RABEP1 endosomal sorting complex, to promote early recycling of TFRC and ITGB1. May also be activated by additional ligands including CSPG5 and EGFL6; the latter triggers assembly of an ERBB2/ERBB3/ITGB3 signaling complex leading to ERK phosphorylation and cell proliferation (By similarity). |
| Cellular Location | Membrane; Single-pass type I membrane protein |
| Tissue Location | In the muscle, expression localizes to the synaptic sites of muscle fibers |
Research Areas
Application Protocols
Provided below are standard protocols that you may find useful for product applications.
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