

| Catalog No. | HB164012 |
|---|---|
| Description |
Recombinant Human EFNA1 Protein, N-His (HB164012) expressed in E. coli, spanning Asp19-Ser182. Purity: >90% by SDS-PAGE.
Highlights
|
| Expression system | E. coli |
| Accession | P20827 |
| Protein length | Asp19-Ser182 |
| Applications | ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress |
| Species | Homo sapiens (Human) |
| Nature | Recombinant |
| Endotoxin level | Please contact with the lab for this information. |
| Purity | >90% as determined by SDS-PAGE. |
| Predicted molecular weight | 21.65 kDa |
| Form | Lyophilized |
| Storage buffer | Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA. |
| Reconstitution | Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet. RECONSTITUTION PROTOCOL 1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature. 2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial. 3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service. 4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down. 5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using. 6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended. |
| Shipping | In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |
| Stability and Storage | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt. |
| Alternate Names | EPLG1, EFNA1, LERK1, Immediate early response protein B61, EPH-related receptor tyrosine kinase ligand 1, TNFAIP4, TNF alpha-induced protein 4, LERK-1, Ephrin-A1, Tumor necrosis factor alpha-induced protein 4 |
| Background | Ephrin-A1 (EFNA1) is a ~23 kDa protein. Cell surface GPI-bound ligand for Eph receptors, a family of receptor tyrosine kinases which are crucial for migration, repulsion and adhesion during neuronal, vascular and epithelial development. Binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. Involved in angiogenesis, regulating vascular endothelial cell differentiation and migration through activation of EPHA2. Acts as a ligand for EPHA3, inhibiting epithelial-to-mesenchymal transition of cardiac cells and playing a role in heart development. May also contribute to dendritic spine morphogenesis. 1. Liu, DP. et al. (2007) International journal of oncology 30, 865-71. PMID: 17332925 2. Wykosky, J. et al. (2008) Oncogene 27, 7260-73. PMID: 18794797 3. Sharfe, N. et al. (2003) Journal of immunology (Baltimore, Md. : 1950) 170, 6024-32. PMID: 12794130 |
| Note | For research use only. |

SDS-PAGE for Recombinant Human EFNA1 Protein, N-His
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