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Product last modified at: 2025-11-10T08:01:22.629Z
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PathScan® Total PRAS40 Sandwich ELISA Kit #7331

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Inquiry Info. # 7331

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    Product Specifications

    REACTIVITY H
    Application Key:
    • ELISA+-ELISA and/or ELISA-like Assays 
    Species Cross-Reactivity Key:
    • H-Human 

    Product Information

    Product Description

    The PathScan® Total PRAS40 Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of PRAS40. A PRAS40 rabbit antibody has been coated onto the microwells. After incubation with cell lysates, PRAS40 (phospho and nonphospho) is captured by the coated antibody. Following extensive washing, a PRAS40 mouse detection antibody is added to detect captured PRAS40 protein. Anti-mouse IgG, HRP-linked Antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of the absorbance for this developed color is proportional to the quantity of total PRAS40 protein.
    Antibodies in kit are custom formulations specific to kit.

    实验步骤

    Specificity / Sensitivity

    PathScan® Total PRAS40 Sandwich ELISA Kit #7331 detects endogenous levels of PRAS40 protein as shown in Figure 1. Kit sensitivity is shown in Figure 2. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.

    Species Reactivity:

    Human

    Background

    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).

    Alternate Names

    40 kDa proline-rich AKT substrate; AKT1 substrate 1; AKT1 substrate 1 (proline rich); AKT1S1; AKTS1; Lobe; PRAS40; Proline-rich AKT1 substrate 1

    For Research Use Only. Not for Use in Diagnostic Procedures.
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