

| Catalog No. | HB182012 |
|---|---|
| Description |
Recombinant Human SFN Protein, N-His (HB182012) expressed in E. coli, spanning Met1-Ser248. Purity: >90% by SDS-PAGE.
Highlights
|
| Expression system | E. coli |
| Accession | P31947 |
| Protein length | Met1-Ser248 |
| 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 | 29.94 kDa |
| Form | Lyophilized |
| Storage buffer | Lyophilized from a solution in PBS pH 7.4, 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 | Stratifin, Epithelial cell marker protein 1, HME1, 14-3-3 protein sigma, SFN |
| Background | 14-3-3 protein sigma (SFN) is a ~27 kDa protein. Adapter protein implicated in the regulation of a large spectrum of both general and specialized signaling pathways. Binds to a large number of partners, usually by recognition of a phosphoserine or phosphothreonine motif. Binding generally results in the modulation of the activity of the binding partner. Promotes cytosolic retention of GBP1 GTPase by binding to phosphorylated GBP1, thereby inhibiting the innate immune response. Also acts as a TP53/p53-regulated inhibitor of G2/M progression. 1. Wilker, EW. et al. (2005) The Journal of biological chemistry 280, 18891-8. PMID: 15731107 2. Rose, R. et al. (2012) Journal of structural biology 180, 65-72. PMID: 22634725 3. Stevers, LM. et al. (2017) The Biochemical journal 474, 1273-1287. PMID: 28202711 4. Fisch, D. et al. (2023) Science (New York, N.Y.) 382, eadg2253. PMID: 37797010 7. Rietscher, K. et al. (2018) Journal of cell science 131. PMID: 29678907 |
| Note | For research use only. |

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