Human ErbB3/Her3 Alexa Fluor® 594-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB3481T
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Flow Cytometry
Label
Alexa Fluor 594 (Excitation = 590 nm, Emission = 617 nm)
Antibody Source
Monoclonal Mouse IgG1 Clone # 66223
Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human ErbB3/Her3
Ser20-Thr643
Accession # P21860
Ser20-Thr643
Accession # P21860
Specificity
Detects human ErbB3/Her3 in ELISAs. Does not cross-react with recombinant EGF R.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Scientific Data Images for Human ErbB3/Her3 Alexa Fluor® 594-conjugated Antibody
Detection of ErbB3/Her3 in MCF‑7 Human Cell Line by Flow Cytometry.
MCF-7 human breast cancer cell line was stained with Mouse Anti-Human ErbB3/Her3 Alexa Fluor® 594-conjugated Monoclonal Antibody (Catalog # FAB3481T, filled histogram) or isotype control antibody (Catalog # IC002T, open histogram). View our protocol for Staining Membrane-associated Proteins.Applications for Human ErbB3/Her3 Alexa Fluor® 594-conjugated Antibody
Application
Recommended Usage
Flow Cytometry
0.25-1 µg/106 cells
Sample: MCF-7 human breast cancer cell line
Sample: MCF-7 human breast cancer cell line
Formulation, Preparation, and Storage
Purification
Protein A or G purified from hybridoma culture supernatant
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
- 12 months from date of receipt, 2 to 8 °C as supplied.
Background: ErbB3/Her3
ErbB3, also called Her3 (human epidermal growth factor receptor 3), is a type I membrane glycoprotein that is a member of the ErbB family of tyrosine kinase receptors. ErbB family members serve as receptors for the epidermal growth factor (EGF) family of growth factors. Among ErbB family members, ErbB3 is unique in that it contains a defective kinase domain. ErbB3 is expressed in keratinocytes, melanocytes, skeletal muscle cells, embryonic myoblasts and Schwann cells. Monomeric ErbB3 serves as a low affinity receptor for the heregulins (HRG). ErbB3 heterodimerizes with ErbB2 to form a high affinity receptor complex. In contrast, ErbB3 homodimerization or heterodimerization with ErbB4 forms a low affinity heregulin-binding complex. Because ErbB3 contains a defective kinase domain, the kinase domain of ErbB2 is responsible for initiating the tyrosine phosphorylation signal through the heterodimeric receptor. It has been found that a discrete three amino acid signal in the ErbB3 cytoplasmic domain is critical for transactivation of ErbB2. The cytoplasmic domain of ErbB3 also contains six consensus binding motifs for the SH2 domain of the regulatory p85 subunit of phosphoinositide 3-kinase (PI 3-kinase, PI3K) as well as one proline-rich consensus binding motif for the SH3 domain of p85. Human ErbB3 consists of 1342 amino acids (aa) with a 19 aa signal sequence, a 624 aa extracellular domain, a 21 aa transmembrane region, and a 678 aa cytoplasmic domain. ErbB3 appears to play roles in development, cancer, communication at the neuromuscular junction, and regulation of cell growth and differentiation.
References
- Kraus, M.H. et. al. (1989) Proc. Natl. Acad. Sci. USA 86:9193.
- Plowman, G.D. et. al. (1990) Proc. Natl. Acad. Sci. USA 87:4905.
- Carraway, K.L. 3rd et. al. (1994) J. Biol. Chem. 269:14303.
- Emkey, R. and C.R. Kahn (1997) J. Biol. Chem. 272:31172.
- Sundaresan, S. et. al. (1998) Endocrinology 139:4756.
- Hellyer, N.J. et. al. (1998) Biochem. J. 333:757.
- Schaefer, G. et. al. (1999) J. Biol. Chem. 274:859.
- Hellyer, N.J. et. al. (2001) J. Biol. Chem. 276:42153.
- Schlessinger, J. (2000) Cell 103:211.
- Daly, R.J. (1999) Growth Factors 16:255.
Long Name
Receptor Tyrosine Protein Kinase ErbB3
Alternate Names
HER3
Gene Symbol
ERBB3
UniProt
Additional ErbB3/Her3 Products
Product Documents for Human ErbB3/Her3 Alexa Fluor® 594-conjugated Antibody
Product Specific Notices for Human ErbB3/Her3 Alexa Fluor® 594-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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