Cyclin-dependent kinases. CAK-handed kinase activation

Related Experiment Video

Updated: Aug 17, 2026

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors
10:33

Development of Inhibitors of Protein-protein Interactions through REPLACE: Application to the Design and Development Non-ATP Competitive CDK Inhibitors

Published on: October 26, 2015

P R Clarke1

  • 1School of Biological Sciences, University of Manchester, UK.

Current Biology : CB
|January 1, 1995
PubMed

Insights

A novel cyclin-dependent kinase (CDK) was identified as a catalytic subunit that activates other CDKs. This kinase partners with a new cyclin regulatory subunit, revealing a complex regulatory mechanism in cell cycle control.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Cyclin-dependent kinases (CDKs) are crucial regulators of the cell cycle.
  • The precise mechanisms of CDK activation involve regulatory subunits like cyclins.

Purpose of the Study:

  • To identify and characterize novel components involved in CDK regulation.
  • To elucidate the molecular interactions governing cell cycle progression.

Main Methods:

  • Protein purification and characterization.
  • Biochemical assays to assess kinase activity.
  • Identification of protein-protein interactions.

Main Results:

  • A novel protein kinase was identified as a catalytic subunit.
  • This kinase was found to activate existing cyclin-dependent kinases.
  • The identified kinase is itself a cyclin-dependent kinase, associated with a novel cyclin regulatory subunit.

Conclusions:

  • A new CDK, functioning as an activating kinase, has been discovered.
  • This finding expands our understanding of cell cycle regulation by CDKs and their associated subunits.

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