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Epiregulin Protein, Human, Recombinant (hFc)

Catalog No. TMPY-02169

Epiregulin Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 33.8 kDa and the accession number is O14944.

Epiregulin Protein, Human, Recombinant (hFc)

Epiregulin Protein, Human, Recombinant (hFc)

Catalog No. TMPY-02169
Epiregulin Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 33.8 kDa and the accession number is O14944.
Pack SizePriceAvailabilityQuantity
100 μg$5397-10 days
1 mg$3,5207-10 days
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Product Information

Biological Activity
Measured in a cell proliferation assay using Balb/3T3 mouse embryonic fibroblast cells. The ED50 for this effect is typically 2-8 μg/mL.
Description
Epiregulin Protein, Human, Recombinant (hFc) is expressed in HEK293 mammalian cells with hFc tag. The predicted molecular weight is 33.8 kDa and the accession number is O14944.
Species
Human
Expression System
HEK293 Cells
TagN-hFc
Accession NumberO14944
Synonyms
ER,epiregulin
Construction
A DNA sequence encoding the mature form of human EREG (NP_001423.1) (Val63-Leu108) was fused with the Fc region of human IgG1 at the N-terminus. Predicted N terminal: Glu
Protein Purity
> 95 % as determined by SDS-PAGE
Molecular Weight33.8 kDa (predicted); 37 kDa (reducing conditions)
Endotoxin< 1.0 EU/μg of the protein as determined by the LAL method.
FormulationLyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution
A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage
It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
ShippingIn general, Lyophilized powders are shipping with blue ice.
Research Background
Epiregulin (EREG) is a member of the epidermal growth factor family. Epiregulin (EREG) can function as a ligand of EGFR (epidermal growth factor receptor), as well as a ligand of most members of the ERBB (v-erb-b2 oncogene homolog) family of tyrosine-kinase receptors. Epiregulin (EREG) exhibit bifunctional regulatory properties: it inhibit the growth of several epithelial tumor cells and stimulated the growth of fibroblasts and various other types of cells. Epiregulin (EREG) bound to the EGF receptors of epidermoid carcinoma A431 cells much more weakly than did EGF, but was nevertheless much more potent than EGF as a mitogen for rat primary hepatocytes and Balb/c 3T3 A31 fibroblasts. These findings suggest that epiregulin (EREG) plays important roles in regulating the growth of epithelial cells and fibroblasts by binding to receptors for EGF-related ligands. Epiregulin (EREG) is the broadest specificity EGF-like ligand so far characterized: not only does it stimulate homodimers of both ErbB-1 and ErbB-4, it also activates all possible heterodimeric ErbB complexes.

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