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You are here:Home » Molecular Biology » Growth Factors-EGF » Epidermal Growth Factor, Recombinant, Rat (EGF, Urogastrone, URG)

Epidermal Growth Factor, Recombinant, Rat (EGF, Urogastrone, URG)


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Epidermal Growth Factor (EGF) is a growth factor that stimulates the proliferation of epithelial and epidermal cells. EGF family members are characterized by three intramolecular disulfide bonds and can bind to four different receptor tyrosine kinases known as EGFR/ErbB1, ErbB2, ErbB3, and ErbB4.
Catalog #142864
SourceRecombinant protein corresponding to 54aa rat EGF expressed in E.coli.
Molecular Weight~6.3kD
Endotoxin 1EU/ug (LAL)
Biological ActivityThe activity is determined by the dose-dependent proliferation of mouse BALB/c 3T3 cells and is typically <0.1ng/ml.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~6.3kD
Purity~95% (HPLC, Reducing and non-reducing SDS-PAGE)
FormSupplied as a lyophilized powder in 10mM Na2PO4, pH 7.5. Reconstitute with sterile dH2O.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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