Recombinant HB-EGF, Human
Catalogue Numbers: BK0073-10, BK0073-50
Sizes: 10μg, 50μg
Source: Escherichia coli
Molecular Weight: 14 kDa, observed by reducing SDS-PAGE.
Purity: > 95% as analyzed by SDS-PAGE.
Biological Activity: ED50 < 0.75ng/ml, measured in a cell proliferation assay using 3T3 cells.
Physical Appearance: Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation: Lyophilized after extensive dialysis against PBS.
AA Sequence: GD LQEADLDLLR VTLSSKPQAL ATPNKEEHGK RKKKGKGLGK KRDPCLRKYK DFCIHGECKY VKELRAPSCI CHPGYHGERC HGLSL
Endotoxin: < 0.2 EU/μg, determined by LAL method.
Reconstitution: Reconstituted in ddH2O or PBS at 100 μg/ml.
Storage: Lyophilized recombinant Human Proheparin-binding EGF-like Growth Factor (HB-EGF), remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, human HB-EGF should be stable up to 1 week at 4°C or up to 3 months at -20°C.
Usage: This material is offered by USA Bioworld biotech for research, laboratory or further evaluation purposes. For research use only.
Description: Proheparin-binding EGF-like growth factor (HB-EGF), also known as DTR, DTS and HEGFL, is a member of the EGF family of mitogens. It is expressed in macrophages, monocytes, endothelial cells and muscle cells. HB-EGF signals through the EGF receptor to stimulate the proliferation of smooth muscle cells, epithelial cells and keratinocytes. Compared to EGF, HB-EGF binds to the EGF receptor with a higher affinity and has been shown to bemore mitogenic, likely due to its ability to bind to heparin and heparin sulfate proteoglycans. HB-EGF has also been reported to act as a diphtheria toxin receptor, mediating endocytosis of the bound toxin. Heparin-binding EGF-like growth factor has been shown to interact with NRD1, Zinc finger and BTB domain-containing protein 16 and BAG1.Recombinant Human HB-EGF produced in E.coli cells is a polypeptide chain containing 86 amino acids. A fully biologically active molecule, rhHB-EGF has a molecular mass of 14 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript.