expressed in E. coli
0.08-0.8 ng/mL ED50/EC50
pkg of 5X0.2 mg
pkg of 0.2 mg
pkg of 0.5 mg
avoid repeated freeze/thaw cycles
cell culture | mammalian: suitable
≤1 EU/μg endotoxin (EGF)
water: soluble, clear, colorless
human ... EGF(1950)
Looking for similar products? Visit Product Comparison Guide
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
Product No. E9644 is the mature EGF protein. Long EGF (Product No. E4269) is an analog of epidermal growth factor comprising the human EGF amino acid sequence plus a 53 amino acid N-terminal extension peptide. Long EGF has been developed as an inexpensive, high quality potent analog of EGF for use as a growth factor supplement for serum-free or low-serum cell culture.
The mature protein has a molecular weight of 6 kD.
Solution stability can be found on the product data sheet. If Product No. E9644 has been reconstituted with 0.2 micron-filtered 10 mM acetic acid containing 0.1% HSA or BSA to a concentration of not less than 10 ug/ml, it can be stored at 2-8 °C for a maximum of one month. For extended storage, freeze in working aliquots at -70 °C or -20 °C. Repeated freezing and thawing is not recommended.
We recommend reconstitution with acetic acid to make sure the entire product will be solubilized. PBS can be used, but the total amount of the protein in the vial may not go into solution. It is best to make a higher concentration in acetic acid, and then dilute into PBS.
This product has been tested for activity using the mouse Balb/3T3 cell line. We have not tested its activity in rat cell culture, but we expect that will also work in that application.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Ask a Scientist here.
Research. Development. Production.
We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.