|Application ||WB, IF, ICC, E|
|Other Accession||NP_444262, 16933551|
|Reactivity||Human, Mouse, Rat|
|Calculated MW||62789 Da|
|Application Notes||ATR antibody can be used for detection of ATR by Western blot at 0.5 to 2 µg/mL. Antibody can also be used for immunocytochemistry starting at 2 µg/mL. For immunofluorescence start at 10 µg/mL.|
|Other Names||ATR Antibody: ATR, GAPO, TEM8, ATR, Anthrax toxin receptor 1, Tumor endothelial marker 8, anthrax toxin receptor 1|
|Target/Specificity||ANTXR1; ATR antibody will recognize only the largest isoform.|
|Reconstitution & Storage||ATR 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||ATR Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Plays a role in cell attachment and migration. Interacts with extracellular matrix proteins and with the actin cytoskeleton. Mediates adhesion of cells to type 1 collagen and gelatin, reorganization of the actin cytoskeleton and promotes cell spreading. Plays a role in the angiogenic response of cultured umbilical vein endothelial cells.|
|Cellular Location||Cell membrane; Single-pass type I membrane protein Cell projection, lamellipodium membrane; Single-pass type I membrane protein. Cell projection, filopodium membrane; Single-pass type I membrane protein. Note=At the membrane of lamellipodia and at the tip of actin-enriched filopodia. Colocalizes with actin at the base of lamellipodia|
|Tissue Location||Detected in umbilical vein endothelial cells (at protein level). Highly expressed in tumor endothelial cells|
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Provided below are standard protocols that you may find useful for product applications.
ATR Antibody: The Anthrax toxin receptor (ATR) was initially discovered as the tumor endothelial marker 8 (TEM8). This protein, which exists in three isoforms (36, 40, and 60 kDa), is highly expressed in tumor vessels as well as in the vasculature of developing embryos, suggesting that it may normally play a role in angiogenesis. However, it also acts as the receptor for anthrax toxin. Following the binding of this protein by the protective antigen (PA) of anthrax, PA is cleaved and heptamerizes to form the binding site for both edema factor (EF) and lethal factor (LF). This complex is then endocytosed by the cell; acidification in endosomes allows the release of EF and LF into the cytoplasm where they interfere with MAPK signaling and induce apoptosis.
Carson-Walter EB, Watkins DN, Nanda A, et al. Cell surface tumor endothelial markers are conserved in mice and humans. Can. Res. 2001; 61:6649-6655.
Bradley KA, Mogridge J, Mourez M, et al. Identification of the cellular receptor for anthrax toxin. Nature 2001; 414:225-9.
Molloy S, Bresnahan PA, Thomas G, et al. Human furin is a calcium-dependent serine endoprotease that recognizes the sequence Arg-X-X-Arg and efficiently cleaves anthrax toxin protective antigen. J. Biol. Chem. 1992; 267:16396-402.
Duesbery N, Webb C, Vande Woude G, et al. Proteolytic inactivation of MAP-kinase-kinase by anthrax lethal factor. Science 1998; 280:734-6.
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