Recombinant Human OSBP
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Product specifications
| Category | Proteins and Peptides |
| Host | E.Coli |
| Reactivity | Human |
| Assay Data | Centrifuge the vial before opening, reconstitute in sterile distilled water to a concentration of 0.1-1 mg/ml by gently pipetting 2-3 times, don't vortex. |
| Recommended Dilution | ¥ |
| Isotype | ¥ |
| Clone ID | ¥ |
| Observed MW | 42.1 kDa |
| Expression | 625-807 |
| Purity | Greater than 90% as determined by SDS-PAGE. |
| Size 1 | 50μg |
| Size 2 | 200μg |
| Size 3 | 1mg |
| Form | Lyophilized powder |
| Tested Applications | Western Blot, ELISA |
| Buffer | Lyophilized from a 0.2 μm filtered solution in 10 mM Hepes, 500 mM NaCl with 5% trehalose, pH 7.4. |
| Availability | 7 days |
| Storage | The lyophilized protein is stable at -20 °C for up to 1 year. After reconstitution, the protein solution is stable at -20 to -80 °C for 3 months or 1 week at 2 to 8 °C under sterile conditions. For extended storage, it is recommended to further dilute in working aliquots, avoid repeated freeze/thaw cycle. |
| UniProt ID | P22059 |
| Alias | OSBP, OSBP 1, OSBP1_HUMAN, Oxysterol binding protein 1, Oxysterol-binding protein 1 |
| Background | Protein OSBP |
| Status | RUO |
| Note | Tag : N-terminal His-IF2DI Tag |
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Lipid transporter involved in lipid countertransport between the Golgi complex and membranes of the endoplasmic reticulum: specifically exchanges sterol with phosphatidylinositol 4-phosphate(PI4P), delivering sterol to the Golgi in exchange for PI4P, which is degraded by the SAC1/SACM1L phosphatase in the endoplasmic reticulum(PubMed:24209621). Binds cholesterol and a range of oxysterols including 25-hydroxycholesterol(PubMed:15746430, PubMed:17428193). Cholesterol binding promotes the formation of a complex with PP2A and a tyrosine phosphatase which dephosphorylates ERK1/2, whereas 25-hydroxycholesterol causes its disassembly(PubMed:15746430). Regulates cholesterol efflux by decreasing ABCA1 stability(PubMed:18450749).
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