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500μg $ 168.00
100μg $ 68.00
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For research use only.

Synonyms EGF, Epidermal Growth Factor, Pro-Epidermal Growth Factor, Urogastrone
Species Human
Expression Host E.coli
Sequence Asn971-Arg1023
Accession P01133
Calculated Molecular Weight 7.2 kDa
Observed Molecular Weight 9-11 kDa
Tag C-His
Bio-activity Measure by its ability to induce 3T3 cells proliferation. The ED50 for this effect is < 1.0 ng/mL. The specific activity of recombinant human EGF is approximately >1.0 x 106 IU/mg.
Purity > 95 % as determined by reducing SDS-PAGE.
Endotoxin < 0.1 EU per μg of the protein as determined by the LAL method.
Storage Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
Shipping This product is provided as lyophilized powder which is shipped with ice packs.
Formulation Lyophilized from a 0.2 μm filtered solution of PBS, pH 8.0.
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Reconstitution Please refer to the printed manual for detailed information.
Background Epidermal growth factor (EGF) is a small 53 amino acid residue long protein that contains three disulfide bridges. It is a small mitogenic protein that is thought to be involved in mechanisms such as normal cell growth, oncogenesis, and wound healing. EGF stimulates the growth of various epidermal and epithelial tissues in vivo and in vitro and of some fibroblasts in cell culture. This protein shows both strong sequential and functional homology with human type-alpha transforming growth factor (hTGF alpha), which is a competitor for EGF receptor sites.
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