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RBP4 Protein, Human, Recombinant
(Synonyms: Retinol-Binding Protein 4, RBP4, RBP, PRBP, Plasma Retinol-Binding Protein) Copy Product InfoSynonyms: Retinol-Binding Protein 4, RBP4, RBP, PRBP, Plasma Retinol-Binding Protein
Catalog No. TMPJ-00084 Copy Product Info
Retinol Binding Protein 4 (RBP4) is a member of the Lipocalin family and in the blood. RBP4 is the specific vector for retinol. RBP4 is expressed and secreted by adipose tissue, and is associated with insulin resistance. RBP4 delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP-retinol complex interacts with transthyretin to prevents its loss by filtration through the kidney glomeruli. Defects in RBP4 cause retinol-binding protein deficiency and can cause night vision problems.
| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 5 μg | $61 | - | In Stock | |
| 10 μg | $97 | - | In Stock | |
| 20 μg | $148 | 7-10 days | 7-10 days | |
| 50 μg | $272 | 7-10 days | 7-10 days | |
| 100 μg | $485 | 7-10 days | 7-10 days | |
| 200 μg | $869 | 7-10 days | 7-10 days | |
| 500 μg | $1,900 | 7-10 days | 7-10 days | |
| 1 mg | $2,730 | 7-10 days | 7-10 days |
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:Greater than 90% as determined by reducing SDS-PAGE.
Appearance:Lyophilized powder
Color:White
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Product Introduction
Bioactivity
Chemical Properties
Storage & Solubility Information
| Bioactivity | Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first. |
| Description | Retinol Binding Protein 4 (RBP4) is a member of the Lipocalin family and in the blood. RBP4 is the specific vector for retinol. RBP4 is expressed and secreted by adipose tissue, and is associated with insulin resistance. RBP4 delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP-retinol complex interacts with transthyretin to prevents its loss by filtration through the kidney glomeruli. Defects in RBP4 cause retinol-binding protein deficiency and can cause night vision problems. |
| Species | Human |
| Expression System | E. coli |
| Tag | Tag Free |
| Accession Number | P02753 |
| Amino Acid | Glu19-Leu201 |
| Construction | Glu19-Leu201 |
| Protein Purity | Greater than 90% as determined by reducing SDS-PAGE. (QC verified) |
| 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 50 mM Tris-HCl, 10 mM CaCl<sub>2</sub>, 150 mM NaCl, pH 7.5. |
| 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 | Retinol-Binding Protein 4, RBP4, RBP, PRBP, Plasma Retinol-Binding Protein |
| Research Background |
| Molecular Weight | 20 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: RBP4 Protein, Human, Recombinant chemical structure | RBP4 Protein, Human, Recombinant molecular weight
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