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Recombinant Human ERBB3

Cat.No. : ERBB3-1613H
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Cat. No. : ERBB3-1613H
Description : V-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian), also known as ERBB3 is a member of the epidermal growth factor (EGF) receptor subfamily of receptor tyrosine kinases and is believed to be a receptor for an unknown ligand. ErbB3 has a heregulin (HRG) or neuregulin binding domain but lacks intrinsic protein tyrosine kinase activity. Therefore, it can bind to the ligand but not convey the signal into the cell through protein phosphorylation. However, it does form heterodimers with other EGF receptor family members which do have kinase activity. Heterodimerization leads to the activation of pathways which lead to cell proliferation or differentiation. Amplification of ErbB3 and/or over-expression of its protein have been reported in numerous cancers, including prostate, bladder, and breast tumors.
Source : Mammalian cells
Molecular Weight : The predicted molecular weight of Recombinant Human ErbB3 is 96 kDa. However, the actual molecular weight as observed by migration on SDS Page is 130-140 kDa.
State Of Matter : Lyophilized.
Purity : >90% by SDS Page and analyzed by silver stain.
Endotoxin : <1.0 EU/µg as determined by the LAL method.
Biological Activity : The biological activity of Human ErbB3 was determined by its ability to inhibit the biological activity of human Neuregulin-1-b1 on MCF-7 cells. The expected ED50 for this effect in the presence of 10 ng/mL rhNRG-1-b1 is 1.5-6.0 mg/mL.
Storage : This lyophilized protein is stable for six to twelve months when stored desiccated at -20℃ to -70℃. After aseptic reconstitution, this protein may be stored at 2℃ to 8℃ for one month or at -20℃ to -70℃ in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles. See Product Insert for exact lot specific storage instructions.
Gene Name : ERBB3 v-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian) [ Homo sapiens ]
Synonyms : ErbB-3; HER3; MDA-BF-1; MGC88033; c-erbB-3; c-erbB3; erbB3-S; p180-ErbB3; p45-sErbB3; p85-sErbB3; EC 2.7.10.1; ErbB-3; HER3; MDA-BF-1; MGC88033; c-erbB-3; c-erbB3; erbB3-S; p180-ErbB3; p45-sErbB3; p85-sErbB3; EC 2.7.10.1; LCCS2; Receptor tyrosine-protein kinase erbB-3 precursor; Tyrosine kinase-type cell surface receptor HER3; lethal congenital contracture syndrome 2; v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3; v-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian) LCCS2; Receptor tyrosine-protein kinase erbB-3 precursor; Tyrosine kinase-type cell surface receptor HER3; lethal congenital contracture syndrome 2; v-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3; v-erb-b2 erythroblastic leukemia viral oncogene homolog 3 (avian); ERBB3
Gene ID : 2065
mRNA Refseq : NM_001005915
Protein Refseq : NP_001005915
MIM : 190151
UniProt ID : P21860
Chromosome Location : 12q13
Pathway : Calcium signaling pathway; ErbB signaling pathway
Function : ATP binding ; growth factor binding; nucleotide binding ; protein heterodimerization activity; protein homodimerization activity; protein tyrosine kinase activator activity; protein tyrosine kinase activity; transferase activity; transmembrane receptor activity; transmembrane receptor protein tyrosine kinase activity

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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What are the potential side effects of targeting ERBB3 in cancer therapy? 03/08/2023

Potential side effects may include skin rash, diarrhea, and cardiovascular issues, as seen with other drugs targeting the EGFR family.

How does ERBB3 contribute to resistance to certain cancer therapies? 01/29/2023

ERBB3 activation has been associated with resistance to some targeted therapies, such as EGFR inhibitors, making it a challenging target in cancer treatment.

How does ERBB3 interact with other receptors in the EGFR family? 11/07/2022

ERBB3 can form heterodimers with other EGFR family members, such as EGFR and HER2, leading to the activation of downstream signaling pathways.

Can ERBB3 be used as a biomarker for prognosis in cancer patients? 10/26/2022

Yes, elevated ERBB3 expression has been linked to poor prognosis in certain cancers, serving as a potential biomarker for patient outcomes.

In which types of cancers is ERBB3 commonly overexpressed? 10/19/2020

ERBB3 overexpression is frequently observed in breast, ovarian, and gastric cancers, among others.

Customer Reviews (3)

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10/28/2021

    Their expert team has been instrumental in addressing any challenges or concerns I have encountered during my experiments.

    08/11/2021

      Their prompt and comprehensive assistance has proven invaluable in overcoming obstacles and optimizing my experimental protocols.

      03/03/2020

        The ERBB3 protein boasts remarkable stability, allowing for extended storage without compromising its integrity or performance.

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