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You are here:Home » Antibodies » Antibodies-Cadherin » Anti -CAD, phosphorylated (Ser1859) (CAD, Glutamine Amidotransferase, Carbamoyl-phosphate Synthetase, Aspartate Transcarbamoylase, Dihydroorotase)

Anti -CAD, phosphorylated (Ser1859) (CAD, Glutamine Amidotransferase, Carbamoyl-phosphate
Synthetase, Aspartate Transcarbamoylase, Dihydroorotase)


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Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B
CAD is essential for the de novo synthesis of pyrimidine nucleotides and possesses the following enzymatic activities: glutamine amidotransferase, carbamoyl-phosphate synthetase, aspartate transcarbamoylase, and dihydroorotase. Thus, the enzyme converts glutamine to uridine monophosphate, a common precursor of all pyrimidine bases, and it is necessary for nucleic acid synthesis (1). In resting cells, CAD is localized mainly in the cytoplasm where it carries out pyrimidine synthesis. As proliferating cells enter S phase, MAP Kinase (Erk1/2) phosphorlyates CAD at Thr456, resulting in CAD translocation to the nucleus. As cells exit S phase, CAD is dephosphorylated at Thr456 and phosphorylated at Ser1406 by PKA, returning the pathway to basal activity (2). Various research studies have shown increased expression of CAD in several types of cancer, prompting the development of pharmacological inhibitors such as PALA. Further studies have identified CAD as a potential predictive early marker of prostate cancer relapse (3).
mTORC1 is a protein kinase that works to regulate the growth and proliferation of cells by sensing and integrating various growth signals. S6 kinase 1 (S6K1) is a downstream ribosomal protein target of mTORC1 and directly phosphorylates Ser1859 on CAD. This phosphorylation stimulates the first three steps of the de novo primidine synthesis and thus helps to advance the cells overall progression through S phase of the cell cycle (4,5).
Catalog #137419
ApplicationsSuitable for use in Western Blot. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000. Incubate membrane with diluted antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween-20 at 4°C with gentle shaking, overnight.
Optimal dilutions to be determined by the researcher.
Storage and StabilityMay be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Clone TypePolyclonal
ConcentrationNot determined
FormSupplied in 10mM sodium HEPES, pH 7.5, 150mM NaCl, 100ug/ml BSA and 50% glycerol.
PurityPurified by Protein A affinity chromatography.
ImmunogenSynthetic peptide corresponding to residues surrounding Ser1859 of human CAD.
SpecificityRecognizes endogenous levels of human CAD when phosphorylated at Ser1859. Species Crossreactivity: mouse, rat, monkey.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

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