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IFN-alpha 2b/IFNA2 Protein, Human, Recombinant
(Synonyms: LeIF A, Interferon α-A, Interferon α-2, Interferon Alpha-A, Interferon Alpha-2, IFN-α-2, IFN-Alpha-2, IFNA2, IFN α2b) Copy Product InfoSynonyms: LeIF A, Interferon α-A, Interferon α-2, Interferon Alpha-A, Interferon Alpha-2, IFN-α-2, IFN-Alpha-2, IFNA2, IFN α2b
Catalog No. TMPJ-00746 Copy Product Info
Purity: 99.9%
At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes differ in their sequences by only one or two positions. Naturally occurring variants also include proteins that are truncated by 10 amino acids at the carboxyl-terminal end.
| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 10 μg | $38 | In Stock | In Stock | |
| 20 μg | $60 | - | In Stock | |
| 50 μg | $110 | - | In Stock |
For In stock only · Estimated delivery: USA Stock (1-2 days) Global Stock (5-7 days)
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For research use only—not for human use. No sales to individuals. Use as intended only.
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Purity:99.9%
Appearance:Lyophilized powder
Color:White
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Product Introduction
Bioactivity
Chemical Properties
Storage & Solubility Information
| Description | At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes differ in their sequences by only one or two positions. Naturally occurring variants also include proteins that are truncated by 10 amino acids at the carboxyl-terminal end. |
| Species | Human |
| Expression System | E. coli |
| Tag | Tag Free |
| Accession Number | P01563 |
| Amino Acid | Cys24-Glu188 |
| Construction | Cys24-Glu188 |
| Protein Purity | Greater than 95% as determined by reducing SDS-PAGE. Greater than 95% as determined by SEC-HPLC. https://cdn.targetmol.com/group3/M00/13/6E/CgoaEWZG00mEWARdAAAAAMrGvDA436.png,https://cdn.targetmol.com/group3/M00/13/6E/CgoaEWZG00mEbnc7AAAAAL-4OKI812.png |
| Endotoxin | < 0.1 ng/µg (1 EU/µg) as determined by LAL test. |
| Formulation | Lyophilized from a solution filtered through a 0.22 μm filter, containing 20 mM PB, 150 mM NaCl, pH 7.2. |
| 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 | 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 shipped with blue ice, while solutions are shipped with dry ice. |
| Synonyms | LeIF A, Interferon α-A, Interferon α-2, Interferon Alpha-A, Interferon Alpha-2, IFN-α-2, IFN-Alpha-2, IFNA2, IFN α2b |
| Research Background |
| Molecular Weight | 17 KDa (reducing condition) |
| Storage | Store at low temperature Lyophilized powder: -20~-80°C for 1 year | Solution: -80°C for 6 months |
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Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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Related Tags: IFN-alpha 2b/IFNA2 Protein, Human, Recombinant chemical structure | IFN-alpha 2b/IFNA2 Protein, Human, Recombinant molecular weight
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