Product Pathways - Translational Control
Phospho-PRAS40 (Ser183) Antibody #5936
|5936S||100 µl (10 western blots)||---||In Stock||---|
|5936||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation
Species predicted to react based on 100% sequence homology: Rat.
Specificity / Sensitivity
Phospho-PRAS40 (Ser183) Antibody recognizes endogenous levels of PRAS40 protein only when phosphorylated at Ser183.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ser183 of human PRAS40 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Western blot analysis of extracts from HeLa cells, untreated or treated with LY294002 #9901 (with and without serum starvation) or with Rapamycin #9904, using Phospho-PRAS40 (Ser183) Antibody (upper) or PRAS40 (D23C7) XP® Rabbit mAb #2691 (lower).
Many growth factors and hormones induce the phosphoinositide 3-kinase signaling pathway, which results in the activation of downstream effector proteins such as the serine/threonine kinase Akt (1,2). One known Akt substrate is a 40 kDa, proline-rich protein (PRAS40) that binds to 14-3-3 proteins (2). PRAS40 also binds mTOR to transduce Akt signals to the mTOR complex. Inhibition of mTOR signaling stimulates PRAS40 binding to mTOR, which in turn inhibits mTOR activity (3). PRAS40 interacts with raptor in mTOR complex 1 (mTORC1) in insulin-deprived cells and inhibits the activation of the mTORC1 pathway mediated by the cell cycle protein Rheb. Phosphorylation of PRAS40 by Akt at Thr246 relieves PRAS40 inhibition of mTORC1 (4). mTORC1 in turn phosphorylates PRAS40 at Ser183 (5).
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For Research Use Only. Not For Use In Diagnostic Procedures.
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