Product Description |
Recombinant Human EGF Protein is expressed from E.coli without tag.It contains Asn971-Arg1023. |
Product Background |
The epidermal growth factor (EGF) family of peptides encodes several proteins that can function as growth factors. The EGF-like peptides, with the exception of proteins of the EGF-CFC subfamily, bind and activate tyrosine kinase receptors that belong to the erbB family. |
Product Category |
Recombinant Protein |
Target |
EGF |
Synonyms |
HOMG4; EGF; URG |
Accession |
|
Species |
Human |
Biotinylated |
no |
Amino Acid Range |
Asn971-Arg1023 |
Molecular Weight |
The protein has a predicted MW of 5.6 kDa same as Bis-Tris PAGE result. |
Activity |
Immobilized Human EGF, No Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for Human EGFR, hFc Tag with the EC50 of 0.82ug/ml determined by ELISA (QC Test). The affinity constant of 0.18 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
No Tag |
Express System |
E.coli |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 0.2EU per ug by the LAL method. |
Form |
Lyophilized |
Shipping |
Shipped at ambient temperature. |
Formulation |
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution |
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage |
Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
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Human EGFR, His Tag captured on CM5 Chip via Anti-His Antibody can bind Human EGF, No Tag with an affinity constant of 0.18 nM as determined in SPR assay (Biacore T200). |
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Immobilized Human EGF, No Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for Human EGFR, hFc Tag with the EC50 of 0.82ug/ml determined by ELISA (QC Test). |
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Human EGF on Bis-Tris PAGE under reduced condition. The purity is greater than 95%. |
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Measured in a cell proliferation assay using Balb/C 3T3 mouse embryonic fibroblasts. The ED50-for this effect is typically 0.1 - 0.2 ng/mL (QC Test). |
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The purity of Human EGF is greater than 95% as determined by SEC-HPLC. |
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