|Other Names||Sterol regulatory element-binding protein cleavage-activating protein, SCAP, SREBP cleavage-activating protein, SCAP, KIAA0199|
|Format||Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Function||Escort protein required for cholesterol as well as lipid homeostasis. Regulates export of the SCAP/SREBF complex from the ER upon low cholesterol. Formation of a ternary complex with INSIG at high sterol concentrations leads to masking of an ER-export signal in SCAP and retention of the complex in the ER. Low sterol concentrations trigger release of INSIG, a conformational change in the SSC domain of SCAP, unmasking of the ER export signal, recruitment into COPII-coated vesicles, transport to the Golgi complex, proteolytic cleavage of SREBF in the Golgi, release of the transcription factor fragment of SREBF from the membrane, its import into the nucleus and up-regulation of LDLR, INSIG1 and the mevalonate pathway (By similarity).|
|Cellular 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 Note=Moves from the endoplasmic reticulum to the Golgi in the absence of sterols.|
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Provided below are standard protocols that you may find useful for product applications.
This gene encodes a protein with a sterol sensing domain(SSD) and seven WD domains. In the presence of cholesterol, thisprotein binds to sterol regulatory element binding proteins(SREBPs) and mediates their transport from the ER to the Golgi. TheSREBPs are then proteolytically cleaved and regulate sterolbiosynthesis.
Vasseur, F., et al. J. Hum. Genet. 55(4):227-231(2010)Liu, X., et al. Atherosclerosis 208(2):421-426(2010)McGeachie, M., et al. Circulation 120(24):2448-2454(2009)Chen, S.N., et al. BMC Med. Genet. 10, 111 (2009) :Voora, D., et al. Circ Cardiovasc Genet 1(2):100-106(2008)
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