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Protein Kinases

Protein Kinases (PK) comprise a large family of enzymes that mediate the transfer of a phosphate group from a donor molecule (usually ATP) to hydroxyamino acids. The enzymes fall into two broad classes, characterized with respect to substrate specificity: serine/threonine specific and tyrosine specific. Protein kinases play an essential role in many signaling pathways, and therefore have the potential to contribute to diseases ranging from cancer and inflammation to diabetes and cardiovascular disorders, not to mention cell growth, survival and many other biological functions. Most PK inhibitors act by competing with ATP for binding to the kinase. This is possible because of structural similarities between ATP and the inhibitors.

  • PD 98059

    A Potent Inhibitor of Mitogen-Activated Protein Kinase (MAPK) Pathway

    Cat # P-260
    Source Synthetic
    MW 267.28
    • Bioassay Tested
  • PMA

    A PKC Activator

    Cat # P-800
    Source Semi-synthetic
    MW 616.84
    • Bioassay Tested
  • Chelerythrine chloride

    An Inhibitor of Protein Kinase C, SERCA Pump, and P2X7 Receptor

    Cat # C-400
    Source Natural
    MW 383.84
    Target PKC, SERCA pumps, P2X7 receptor
    • Bioassay Tested
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