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TNF alpha Protein, Human, Recombinant (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 20.3 kDa and the accession number is P01375.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 μg | $91 | 7-10 days | |
| 10 μg | $148 | 7-10 days | |
| 20 μg | $245 | 7-10 days | |
| 50 μg | $483 | 7-10 days | |
| 100 μg | $813 | 7-10 days | |
| 200 μg | $1,470 | 7-10 days | |
| 500 μg | $3,250 | 7-10 days |
| Biological Activity | Immobilized Human TNF R2, mFc Tag at 0.5μg/ml (100μl/Well) on the plate. Dose response curve for Biotinylated Human TNF alpha, His Tag with the EC50 of 5.1ng/ml determined by ELISA. |
| Description | TNF alpha Protein, Human, Recombinant (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 20.3 kDa and the accession number is P01375. |
| Species | Human |
| Expression System | HEK293 Cells |
| Tag | C-His-Avi |
| Accession Number | P01375 |
| Synonyms | TNF-α,TNFα,TNFSF2,TNFSF1A,TNFATNF,TNF-alpha,TNFalpha,TNFA,TNF α,TNF,DIF,Cachectin,APC1 protein |
| Construction | Val77-Leu233 |
| Protein Purity | > 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC |
| Molecular Weight | 20.3 kDa (predicted). Due to glycosylation, the protein migrates to 21-24 kDa based on Tris-Bis PAGE result. |
| Endotoxin | < 1 EU/μg by the LAL method. |
| Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization. |
| Reconstitution | Reconstitute the lyophilized protein in distilled 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 | It is recommended to store recombinant proteins at -20°C to -80°C for future use. 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. |
| Research Background | Tumor necrosis factor alpha (TNF-alpha), also known as cachectin and TNFSF2, is the prototypic ligand of the TNF superfamily. It is a pleiotropic molecule that plays a central role in inflammation, immune system development, apoptosis, and lipid metabolism.Cytokine that binds to TNFRSF1A/TNFR1 and TNFRSF1B/TNFBR. It is mainly secreted by macrophages and can induce cell death of certain tumor cell lines. It is potent pyrogen causing fever by direct action or by stimulation of interleukin-1 secretion and is implicated in the induction of cachexia, Under certain conditions it can stimulate cell proliferation and induce cell differentiation. |

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