|Application ||WB, IHC-P, IF, ICC, E|
|Other Accession||NP_031374, 22926|
|Calculated MW||74585 Da|
|Application Notes||ATF6 antibody can be used for the detection of ATF6 by Western blot at 0.5 - 1 μg/mL. Antibody can also be used for immunohistochemistry starting at 5 μg/mL and immunocytochemistry starting at 10 μg/mL. For immunofluorescence start at 10 μg/mL.|
|Other Names||ATF6 Antibody: ATF6A, Cyclic AMP-dependent transcription factor ATF-6 alpha, Activating transcription factor 6 alpha, cAMP-dependent transcription factor ATF-6 alpha, activating transcription factor 6|
|Target/Specificity||ATF6 antibody was raised against a 16 amino acid synthetic peptide from near the carboxy terminus of human ATF6.|
The immunogen is located within amino acids 470 - 520 of ATF6.
|Reconstitution & Storage||ATF6 antibody can be stored at 4℃ for three months and -20℃, stable for up to one year. As with all antibodies care should be taken to avoid repeated freeze thaw cycles. Antibodies should not be exposed to prolonged high temperatures.|
|Precautions||ATF6 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Transmembrane glycoprotein of the endoplasmic reticulum that functions as a transcription activator and initiates the unfolded protein response (UPR) during endoplasmic reticulum stress. Cleaved upon ER stress, the N-terminal processed cyclic AMP-dependent transcription factor ATF-6 alpha translocates to the nucleus where it activates transcription of genes involved in the UPR. Binds DNA on the 5'-CCAC[GA]-3'half of the ER stress response element (ERSE) (5'-CCAAT-N(9)-CCAC[GA]-3') and of ERSE II (5'- ATTGG-N-CCACG-3'). Binding to ERSE requires binding of NF-Y to ERSE. Could also be involved in activation of transcription by the serum response factor. May play a role in foveal development and cone function in the retina.|
|Cellular Location||Endoplasmic reticulum membrane; Single-pass type II membrane protein|
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Provided below are standard protocols that you may find useful for product applications.
ATF6 Antibody: Disruptions of protein folding and maturation in the endoplasmic reticulum (ER) result in the activation of the unfolded protein response (UPR), an integrated cellular signaling pathway that transmits information from the ER lumen to the cytoplasm and nucleus. Activating transcription factor 6 (ATF6) as well as the ER-transmembrane protein kinases IRE1p and PERK are the major transducers of the UPR. ATF6 is an ER transmembrane protein that is normally bound to the ER chaperone GRP78, but upon ER stress is released from GRP78 and proteolytically cleaved to yield a cytosolic fragment which then migrates to the nucleus, and together with the transcription factor XBP-1, activates transcription of UPR-responsive genes. ATF6 has two isoforms (ATF6α and ATF6β); only ATF6α is recognized by this antibody.
Liu CY and Kaufman RJ. The unfolded protein response. J. Cell Sci. 2003; 1861-2.
Haze K, Yoshida H, Yanagi H, et al. Mammalian transcription factor ATF6 is synthesized as a transmembrane protein and activated by proteolysis in response to endoplasmic stress. Mol. Cell. Biol. 1999; 10:3787-99.
Little E, Ramakrishnan M, Roy B, et al. The glucose-regulated proteins (GRP78 and GRP94): functions, gene regulation, and applications. Crit. Rev. Eukaryot. Gene Expr. 1994; 4:1-18.
Yoshida H, Matsui T, Yamamoto T, et al. XBP1 mRNA is induced by ATF6 and spliced by IRE1p in response to ER stress to produce a highly active transcription factor. Cell 2001; 107:881-91.
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