Render Target: STATIC
Render Timestamp: 2024-12-09T11:34:53.525Z
Commit: 224419269841c11382c4555dbee545259bf6c379
XML generation date: 2024-10-26 13:53:11.386
Product last modified at: 2024-09-20T07:05:37.100Z
Cell Signaling Technology Logo
1% for the planet logo
PDP - Template Name: Antibody Duet
PDP - Template ID: *******ad0fa02

PhosphoPlus® Chk2 (Thr68) Antibody Duet #12298

    Product Information

    Product Description

    PhosphoPlus® Duets from Cell Signaling Technology (CST) provide a means to assess protein activation status. Each Duet contains an activation-state and total protein antibody to your target of interest. These antibodies have been selected from CST's product offering based upon superior performance in specified applications.

    Background

    Chk2 is the mammalian orthologue of the budding yeast Rad53 and fission yeast Cds1 checkpoint kinases (1-3). The amino-terminal domain of Chk2 contains a series of seven serine or threonine residues (Ser19, Thr26, Ser28, Ser33, Ser35, Ser50, and Thr68) each followed by glutamine (SQ or TQ motif). These are known to be preferred sites for phosphorylation by ATM/ATR kinases (4,5). After DNA damage by ionizing radiation (IR), UV irradiation, or hydroxyurea treatment, Thr68 and other sites in this region become phosphorylated by ATM/ATR (5-7). The SQ/TQ cluster domain, therefore, seems to have a regulatory function. Phosphorylation at Thr68 is a prerequisite for the subsequent activation step, which is attributable to autophosphorylation of Chk2 at residues Thr383 and Thr387 in the activation loop of the kinase domain (8).
    For Research Use Only. Not For Use In Diagnostic Procedures.
    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    PhosphoPlus is a registered trademark of Cell Signaling Technology, Inc.
    U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.
    All other trademarks are the property of their respective owners. Visit our Trademark Information page.