|Application ||IF, IHC-P, WB, E|
|Calculated MW||123688 Da|
|Antigen Region||399-427 aa|
|Other Names||Sterol regulatory element-binding protein 2, SREBP-2, Class D basic helix-loop-helix protein 2, bHLHd2, Sterol regulatory element-binding transcription factor 2, Processed sterol regulatory element-binding protein 2, SREBF2, BHLHD2, SREBP2|
|Target/Specificity||This SREBF2 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 399-427 amino acids from the Central region of human SREBF2.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||SREBF2 Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Transcriptional activator required for lipid homeostasis. Regulates transcription of the LDL receptor gene as well as the cholesterol and to a lesser degree the fatty acid synthesis pathway (By similarity). Binds the sterol regulatory element 1 (SRE-1) (5'-ATCACCCCAC-3') found in the flanking region of the LDRL and HMG-CoA synthase genes.|
|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|
|Tissue Location||Ubiquitously expressed in adult and fetal tissues|
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Provided below are standard protocols that you may find useful for product applications.
SREBPs, including SREBP-1a, SREBP-1c, and SREBP-2, constitute a family of basic helix-loop-helix (bHLH) transcription factors that play a critical role in lipid homeostasis by regulating genes involved in cholesterol and fatty acid metabolism. Each SREBP consists of three domains, including an amino-terminal transcription factor domain of ~480 amino acids, a middle hydrophobic region of ~80 amino acids containing two hydrophobic transmembrane segments, and a carboxy-terminal regulatory domain of ~590 amino acids. SREBP-2 regulates cholesterol synthesis by activating the transcription of genes for HMG-CoA reductase and other enzymes of the cholesterol synthetic pathway. SREBP-2 is ubiquitously detected in various tissues. Under basal conditions SREBP is bound to ER membranes as a glycosylated precursor protein. Upon cholesterol depletion, the protein is cleaved to its active forms (about 50-68 kDa) and translocated into the nucleus to stimulate transcription of genes involved in the uptake and synthesis of cholesterol.
Gerin, I., et al. J. Biol. Chem. 285(44):33652-33661(2010) Bailey, S.D., et al. Diabetes Care 33(10):2250-2253(2010) Marquart, T.J., et al. Proc. Natl. Acad. Sci. U.S.A. 107(27):12228-12232(2010) Najafi-Shoushtari, S.H., et al. Science 328(5985):1566-1569(2010) Pramfalk, C., et al. J. Lipid Res. 51(6):1354-1362(2010)
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