HB-EGF Human
目录号 : GP20273肝素原结合 EGF 样生长因子人重组体
Sample solution is provided at 25 µL, 10mM.
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| Purity | Greater than 95.0% as determined by SDS-PAGE. | Source | Escherichia Coli. |
| Phycical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. | Shipping Condition | Shipped at Room temp. |
| Synonyms | Proheparin-binding EGF-like growth factor; HBEGF; DTR; DTS; HEGFL; HB-EGF; Heparin-binding EGF-like growth factor; Diphtheria toxin receptor; DT-R; DTSF. | ||
| Amino Acid Sequence | MDLQEADLDL LRVTLSSKPQ ALATPNKEEH GKRKKKGKGL GKKRDPCLRK YKDFCIHGECKYVKELRAPS CICHPGYHGE RCHGLSL. | ||
| Solubility | It is recommended to reconstitute the lyophilized Human HB-EGF in sterile 18M-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions. | ||
| Stability | Lyophilized Human HB-EGF Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C . Upon reconstitution HB-EGF should be stored at 4°C between 2-7 days and for future use below -18°C .For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles. | ||
| Biological Activity | The ED50 was determined by the ability to induce proliferation of 3T3 cells and is 0.13-0.2ng/ml. This corresponds to an expected specific activity of 7.7 x 106units/mg. | ||
| Formulation | The protein was lyophilized from a concentrated (1mg/ml) solution containing 10mM sodium phosphate pH-7.5. | ||
HB-EGF is an EGF related growth factor which signals via the EGF receptor, and stimulates the proliferation of SMC (smooth muscle cells), fibroblasts, epithelial cells and keratinocytes. HB-EGF is expressed in various cell types and tissues, including vascular endothelial cells and SMC, macrophages, skeletal muscle, keratinocytes and particular tumor cells. HB-EGFбпs ability to explicitly bind heparin and heparin sulfate proteoglycans is dissimilar from other EGF-like molecules, and might be related to the enhanced mitogenic activity, relative to EGF, that HB-EGF exerts on smooth muscle cells.
The ED50 was determined by the ability to induce proliferation of 3T3 cells and is 0.13-0.2ng/ml. This corresponds to an expected specific activity of 7.7 x 106units/mg.
Lyophilized Human HB-EGF Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C . Upon reconstitution HB-EGF should be stored at 4°C between 2-7 days and for future use below -18°C .For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.