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Anti-ErbB 3/ERBB3 Antibody Picoband®

Boster Bio Anti-ErbB 3/ERBB3 Antibody catalog # PA1880. Tested in WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

ERBB3 (V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3) also known as ONCOGENE ERBB3 or HER3, is an enzyme that in humans is encoded by the ERBB3 gene. This gene encodes a member of the epidermal growth factor receptor (EGFR) family of receptor tyrosine kinases. This membrane-bound protein has a neuregulin binding domain but not an active kinase domain. By in situ hybridization, Kraus et al. (1989) mapped the ERBB3 gene to chromosome 12q13. Carraway et al. (1994) demonstrated that ERBB3 is a receptor for heregulin and is capable of mediating HGL-stimulated tyrosine phosphorylation of itself. Most notably, EGFR and ErbB2 became markedly more promiscuous as the threshold was lowered, whereas ErbB3did not. Engelman et al. (2007) found that amplification of MET caused gefitinib resistance by driving ERBB3-dependent activation of phosphoinositide 3-kinase, a pathway though to be specific to EGFR/ERBB family receptors.

Synonyms

Receptor tyrosine-protein kinase erbB-3;2.7.10.1; Proto-oncogene-like protein c-ErbB-3; Tyrosine kinase-type cell surface receptor HER3; ERBB3; HER3

Gene Name

ERBB3

Gene ID

2065

UniProt

P21860

Host

Rabbit

Reactivity

Human

Cross Reactivity

No cross-reactivity with other proteins

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of human ErbB 3.

Clonality

Polyclonal

Tissue Specificity

Epithelial tissues and brain.

Applications

WB

Field of Research

Apoptosis, Cell Biology, Developmental Biology, Growth Factors/Hormones, Intracellular, Kinases, Nervous System Development, Organogenesis, Protein Phosphorylation, Receptor Tyrosine Kinases, Signal Transduction, Tyrosine Kinases

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

Binds and is activated by neuregulins and NTAK. May also be activated by CSPG5. .

References & Citations

1. Carraway, K. L., III, Sliwkowski, M. X., Akita, R., Platko, J. V., Guy, P. M., Nuijens, A., Diamonti, A. J., Vandlen, R. L., Cantley, L. C., Cerione, R. A. The erbB3gene product is a receptor for heregulin. J. Biol. Chem. 269: 14303-14306, 1994. 2. Engelman, J. A., Zejnullahu, K., Mitsudomi, T., Song, Y., Hyland, C., Park, J. O., Lindeman, N., Gale, C.-M., Zhao, X., Christensen, J., Kosaka, T., Holmes, A. J., Rogers, A. M., Cappuzzo, F., Mok, T., Lee, C., Johnson, B. E., Cantley, L. C, Janne, P. A. MET amplification leads to gefitinib resistance in lung cancer by activating ERBB3 signaling. Science 316: 1039-1043, 2007. 3. Kraus, M. H., Issing, W., Miki, T., Popescu, N. C., Aaronson, S. A. Isolation and characterization ofERBB3, a third member of the ERBB/epidermal growth factor receptor family: evidence for overexpression in a subset of human mammary tumors. Proc. Nat. Acad. Sci. 86: 9193-9197, 1989.

Storage Conditions

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.

Calculated Molecular Weight

148098 MW

Observed Molecular Weight

180 kDa

Specificity

No cross reactivity with other proteins.

Gene Name Synonym

Receptor tyrosine-protein kinase erbB-3

Subcellular Location

Isoform 1: Cell membrane; Single-pass type I membrane protein.

Sequence Similarities

Belongs to the protein kinase superfamily. Tyr protein kinase family. EGF receptor subfamily.

Protein Name

Receptor tyrosine-protein kinase erbB-3

Isotype

Rabbit IgG

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg Thimerosal, 0.05mg NaN3.

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