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Related Experiment Videos

The dynamics of cyclin dependent kinase structure

D O Morgan1

  • 1Department of Physiology, Box 0444, University of California, 513 Parnassus Ave, San Francisco, CA 94143, USA. dmorgan@socrates.ucsf.edu

Current Opinion in Cell Biology
|December 1, 1996
PubMed
Summary

New crystal structures reveal how cyclin-dependent kinases change shape to regulate their activity. This provides a structural basis for understanding kinase activation, inhibition by p27, and CKS protein interactions.

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Reciprocal activation by cyclin-dependent kinases 2 and 7 is directed by substrate specificity determinants outside the T loop.

Molecular and cellular biology·2000

Area of Science:

  • Molecular Biology
  • Structural Biology
  • Biochemistry

Background:

  • Cyclin-dependent kinases (CDKs) are crucial regulators of the cell cycle.
  • Understanding CDK regulation is key to deciphering cell proliferation and development.
  • Previous knowledge on CDK conformational changes was limited.

Purpose of the Study:

  • To elucidate the structural mechanisms governing CDK conformational changes.
  • To provide atomic-level insights into CDK regulation by activators and inhibitors.

Main Methods:

  • X-ray crystallography
  • Analysis of novel crystal structures
  • Structural biology techniques

Main Results:

Related Experiment Videos

  • Detailed structural insights into CDK activation via cyclin binding and phosphorylation.
  • Elucidation of the structural basis for inhibition by the p27 protein.
  • Understanding the role of CKS proteins in CDK regulation through structural analysis.

    • Conclusions:

    • Recent crystal structures have significantly advanced our understanding of CDK conformational dynamics.
    • The structural data explains key regulatory mechanisms of CDKs.
    • This knowledge is foundational for future drug development targeting CDKs.