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Bound to activate: conformational consequences of cyclin binding to CDK2
E Radzio-Andzelm1, J Lew, S Taylor
1Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla 92093, USA.
Structure (London, England : 1993)
|November 15, 1995
Summary
Cyclin-dependent kinases (CDKs) are highly regulated enzymes. Their crystal structures reveal the atomic basis for regulation, offering insights into other CDK family members.
Area of Science:
- Biochemistry
- Molecular Biology
- Structural Biology
Background:
- Cyclin-dependent kinases (CDKs) represent a critical family of protein kinases.
- These enzymes are subject to intricate regulatory mechanisms essential for cell cycle control.
Purpose of the Study:
- To elucidate the atomic basis of CDK regulation.
- To provide a structural template for understanding the broader CDK family.
Main Methods:
- X-ray crystallography of cyclin A.
- X-ray crystallography of the CDK2-cyclin A complex.
Main Results:
- Detailed atomic resolution structures of cyclin A and the CDK2-cyclin A complex were determined.
- These structures illuminate the molecular mechanisms governing CDK activity and regulation.
Conclusions:
- The revealed structures provide a fundamental understanding of CDK enzyme regulation.
- This structural information serves as a foundational model for investigating other CDKs.