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MST1 Kinase Enzyme System

by Promega
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  • Kinase-background-v2light

    Convenient, Scalable Kinase Profiling

    The Kinase Enzyme Systems include a recombinant kinase enzyme, a substrate appropriate for the enzyme, a reaction buffer and supplemental reagents as needed. The MST1 Kinase Enzyme System contains:

    • MST1 Kinase, 10ug (Human, recombinant full-length). MW: ~83kDa.
    • Axltide (KKSRGDYMTMQIG) Substrate; derived from mouse Insulin receptor substrate 1 (amino acids 979–989).
    • Reaction Buffer, DTT.

    Recombinant full-length human MST1 was expressed by baculovirus in Sf9 insect cells using an N-terminal GST tag. MST1 belongs to a family of proteins that share similarity with a budding yeast serine/threonine kinase, sterile-20 (Ste20). Endogenous full-length MST1 is activated by a variety of stressful stimuli, accompanied by the secondary appearance of a 36kDa Thr183-phosphorylated, caspase-cleaved catalytic fragment. Recombinant MST1 undergoes a robust auto-activation in vitro, mediated by an intramolecular autophosphorylation on the activation loop of an MST dimer. MST1 can initiate apoptosis when transiently overexpressed in mammalian cells. Interference with the ability of endogenous MST1 to associate with the putative tumor suppressor proteins Nore1/RASSF can inhibit Ras-induced apoptosis.

    MST1 NCBI Database Entry.

    The MST1 Kinase Enzyme System can be purchased with or without the ADP-Glo™ Kinase Assay reagents. Used together, the ADP-Glo™ Kinase Assay + Kinase Enzyme Systems provide a convenient method for profiling the effect of lead compounds on kinase activity. Assay advantages include broad dynamic range, ease of use and high sensitivity. Kinase Enzyme Systems are manufactured by SignalChem. Bulk quantities available upon request.

    Use with ADP-Glo™ Kinase Assay

    The ADP-Glo™ Kinase Assay is a luminescent kinase assay that measures ADP formed from a kinase reaction; ADP is converted into ATP, which is a substrate in a reaction catalyzed by Ultra-Glo™ Luciferase that produces light. The luminescent signal positively correlates with ADP amount and kinase activity. The assay is well suited for measuring the effects of chemical compounds on the activity of a broad range of purified kinases, making it ideal for both primary screening as well as kinase selectivity profiling. The ADP-Glo™ Kinase Assay can be used to monitor the activity of virtually any ADP-generating enzyme (e.g., kinase or ATPase) using up to 1mM ATP.

     

    See all Kinase Enzyme Systems available from Promega.

  • Protocols

    Complete Protocol

    Download PDF

    MST1 Kinase Enzyme Protocol

    PDF (927 KB)

  • Certificate of Analysis

    Lookup Certificate of Analysis

    Storage Conditions

    LESS THAN -65C

    Use Restrictions

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

  • Resources

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