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TFF2 Protein, Human, Recombinant is expressed in E. coli with Tag Free. The accession number is Q03403.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 μg | $147 | 7-10 days | |
| 10 μg | $223 | 7-10 days | |
| 20 μg | $382 | 7-10 days | |
| 50 μg | $739 | 7-10 days | |
| 100 μg | $1,220 | 7-10 days | |
| 200 μg | $1,720 | 7-10 days | |
| 500 μg | $2,730 | 7-10 days |
| Biological Activity | Fully biologically active when compared to standard. The ED50 as determined by a chemotaxis bioassay using human MCF-7 cells is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg. |
| Description | TFF2 Protein, Human, Recombinant is expressed in E. coli with Tag Free. The accession number is Q03403. |
| Species | Human |
| Expression System | E. coli |
| Tag | Tag Free |
| Accession Number | Q03403 |
| Synonyms | Trefoil factor 2,TFF2,Spasmolytic polypeptide (SP),Spasmolysin,SML1 |
| Amino Acid | EKPSPCQCSRLSPHNRTNCGFPGITSDQCFDNGCCFDSSVTGVPWCFHPLPKQESDQCVMEVSDRRNCGYPGISPEECASRKCCFSNFIFEVPWCFFPKSVEDCHY |
| Construction | 24-129 aa |
| Protein Purity | >97% as determined by SDS-PAGE. |
| Molecular Weight | 12.0 kDa (Predicted) |
| Endotoxin | < 1.0 EU/μg of the protein as determined by the LAL method. |
| Formulation | Lyophilized from a 0.2 µm filtered 20 mM PB, pH 7.4, 130mM NaCl |
| Reconstitution | Reconstitute the lyophilized protein in sterile deionized water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
| Stability & Storage | Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
| Shipping | In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice. |

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