Recombinant Mouse Sterol regulatory element-binding protein cleavage-activating protein (Scap), partial

Code CSB-YP756982MO
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Source Yeast
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Code CSB-EP756982MO
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Source E.coli
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Code CSB-EP756982MO-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP756982MO
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Source Baculovirus
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Code CSB-MP756982MO
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Scap; Kiaa0199; Sterol regulatory element-binding protein cleavage-activating protein; SCAP; SREBP cleavage-activating protein
Mus musculus (Mouse)
Protein Length
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Escort protein required for cholesterol as well as lipid homeostasis. Regulates export of the SCAP-SREBP complex from the endoplasmic reticulum to the Golgi upon low cholesterol, thereby regulating the processing of sterol regulatory element-binding proteins (SREBPs) SREBF1/SREBP1 and SREBF2/SREBP2. At high sterol concentrations, formation of a ternary complex with INSIG (INSIG1 or INSIG2) leads to mask the ER export signal in SCAP, promoting retention of the complex in the endoplasmic reticulum. Low sterol concentrations trigger release of INSIG, a conformational change in the SSD domain of SCAP, unmasking of the ER export signal, promoting recruitment into COPII-coated vesicles and transport of the SCAP-SREBP to the Golgi: in the Golgi, SREBPs are then processed, releasing the transcription factor fragment of SREBPs from the membrane, its import into the nucleus and up-regulation of LDLR, INSIG1 and the mevalonate pathway. Binds cholesterol via its SSD domain.
Gene References into Functions
  1. Reexpression of SCAP in SCAP-deficient cells restored SREBP2 protein expression and partially restored steroidogenic responses, confirming the requirement of SCAP-SREBP2 in steroidogenesis. PMID: 27601673
  2. This study found that deletion of SREBP activity in astrocytes resulted in impaired presynaptic terminal function and synaptic plasticity, possibly via a decrease in the presynaptic protein SNAP-25 levels and the number of synaptic vesicles. PMID: 28168742
  3. Data, including data from studies using transgenic mice, suggest that oligodendroglial myelination requires astrocyte-derived lipids; oligodendrocyte-specific inactivation of sterol regulatory element-binding protein (SREBP) cleavage-activating protein (SCAP), an essential factor in lipid biosynthesis along with SREBP2, results in significantly retarded CNS myelination. PMID: 28549068
  4. The findings suggest that Cyp3a deficiency stimulated the expression of Scap via activation of the AR, which elevated cholesterogenic gene expression levels through activation of SREBP2 and increased total cholesterol contents in the prostate. PMID: 27137100
  5. characterizes SCAP as an essential adaptor in the STING signaling pathway, uncovering a critical missing link in DNAs-triggered host antiviral responses PMID: 26900919
  6. intestine requires Scap to sustain tissue integrity by maintaining the high levels of lipid synthesis necessary for proliferation of intestinal crypts PMID: 25896350
  7. Reduction of SCAP and the consequent suppression of cholesterol synthesis in the brain may play an important role in the increased rates of cognitive decline and Alzheimer disease observed in diabetic states. PMID: 23585733
  8. the SCAP/SREBP signaling axis has a role in protecting cancer cells from lipotoxicity PMID: 23440422
  9. Steatosis in insulin-resistant ob/ob mice was abolished by deletion of Scap, an escort protein necessary for generating nuclear isoforms of all three SREBPs. PMID: 22326225
  10. inhibited the maturation of SREBP by inducing interaction of SREBP cleavage activating protein (SCAP) and Insig PMID: 21195348
  11. SCAP-mediated regulation of glial lipogenesis is key to the proper synthesis of myelin membrane PMID: 19948958
  12. 1,003 genes showed statistically significant increased expression in livers of transgenic SREBP-1a mice, 505 increased in livers of transgenic SREBP-2 mice, and 343 showed decreased expression in Scap-/- livers. PMID: 14512514
  13. liver SCAP has a role in fatty acid synthesis in adipose tissue of mice PMID: 16054043
  14. In L-Scap- mice, intermittent hypoxia did not have any effect on serum & liver lipids, & expression of lipid metabolic genes was not altered, suggesting that Scap mediates the effect of intermittent hypoxia on dyslipidemia. PMID: 17666524
  15. Deletion of the SCAP/SREBP pathway in respiratory epithelial cells altered lung lipid homeostasis and induced compensatory lipid accumulation and synthesis in lung lipofibroblasts. PMID: 19074148

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Subcellular Location
Endoplasmic reticulum membrane; Multi-pass membrane protein. Golgi apparatus membrane; Multi-pass membrane protein. Cytoplasmic vesicle, COPII-coated vesicle membrane; Multi-pass membrane protein.
Protein Families
WD repeat SCAP family
Database Links
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