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Neuregulin-1/Heregulin Alpha (EGF Domain) Human Recombinant
| 目录号 | AP2474 |
|---|---|
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | Lyophilized from a 0.2?m filtered solution in 20mM PB, pH 6.0 and 150mM NaCl. |
| Protein biological activity | The ED50 was determined by the dose-dependent stimulation of the proliferation of human MCF-7 cells is less than 40 ng/ml, corresponding to a specific activity of > 2.5??104 units/mg. |
| Amino acid sequence | SHLVKCAEKE KTFCVNGGEC FMVKDLSNPS RYLCKCQPGF TGARCTENVP MKVQNQEKAE ELYQK. |
| Purity | Greater than 97.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE. |
| Solubility | It is recommended to reconstitute the lyophilized NRG1-A in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions. |
| Stability | Lyophilized NRG1-A although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution NRG1-A should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles. |
| Source | Escherichia Coli. |
| Synonyms | Neuregulin-1, Heregulin Alpha, NRG1-A, NRG1 A. |
| Transportation method | Shipped at Room temp |
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