Name :
Recombinant Human HER3/ERBB3 Protein (ECD, His & AVI Tag), Biotinylated, HPLC-verified
Biological Activity :
Background :
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. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
Biological Activity :
Immobilized Recombinant Human NRG1-beta 1 Protein (ECD, Fc Tag) Cat: 11609-H01H2) at 2μg/mL (100μL/well) can bind Recombinant Human HER3/ERBB3 Protein (ECD, His & AVI Tag), Biotinylated (Cat: 10201-H49H-B), the EC50 is 75-225 ng/mL.
Expression Host :
Human
Source :
HEK293 Cells
Tag :
Protein Accession No. :
NP_001973.2
NCBI Gene ID :
Synonyms :
Synonyms :
erb-b2 receptor tyrosine kinase 3
Amino Acid Sequence :
Molecular Weight :
The recombinant Human ERBB3 consists of 650 amino acids and predicts a molecular mass of 71.93 kDa. It migrates as an approximately 95.33 kDa band in SDS-PAGE under reducing conditions.
Purity :
> 95 % as determined by SDS-PAGE. > 95 % as determined by SEC-HPLC.
State of Matter :
Product Concentration :
Storage and Stability :
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Endotoxin Level :
< 1.0 EU per μg protein as determined by the LAL method.
Protein Construction :
A DNA sequence encoding the Human ERBB3 (NP_001973.2) (Met1-Thr643) was expressed with a C-terminal polyhistidine tag followed by an AVI tag. The expressed protein was biotinylated in vivo by the Biotin-Protein ligase (BirA enzyme) which is co-expressed.
Buffer Solution :
Lyophilized from sterile PBS, pH 7.4.Please contact us for any concerns or special requirements. Normally 5 % – 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hardcopy of datasheet.
Shipping :
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
c-erbB-3 Protein, Human; c-erbB3 Protein, Human; EEBB3 Protein, Human; ErbB-3 Protein, Human; erbB3-S Protein, Human; HER3 Protein, Human; LCCS2 Protein, Human; MDA-BF-1 Protein, Human; p180-ErbB3 Protein, Human; p45-sErbB3 Protein, Human; p85-sErbB3 Protein, Human HER3/ERBB3 背景信息 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. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
References & Citations :
Kraus M.H., et al.,(1989), Isolation and characterization of ERBB3, a third member of the ERBB/epidermal growth factor receptor family: evidence for overexpression in a subset of human mammary tumors. Proc. Natl. Acad. Sci. U.S.A. 86:9193-9197. Plowman G.D., et al., (1990), Molecular cloning and expression of an additional epidermal growth factor receptor-related gene.Proc. Natl. Acad. Sci. U.S.A. 87:4905-4909. Katoh M., et al.,(1993), c-erbB3 gene encodes secreted as well as transmembrane receptor tyrosine kinase.Biochem. Biophys. Res. Commun. 192:1189-1197.
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