Cited by 210Cancer-related Molecular PathwaysProtein Kinase Regulation and GTPase SignalingEnzyme Structure and Function

Crystal structure of the complex of the cyclin D-dependent kinase Cdk6 bound to the cell-cycle inhibitor p19INK4d

Brotherton, Deborah H., Dhanaraj, Venugopal, Wick, Scott, Brizuela, Leonardo, Domaille, Peter J., Volyanik, Elena, Xu, Xu, Parisini, Emilio +6 more·1998·Nature

Abstract

The crystal structure of the cyclin D-dependent kinase Cdk6 bound to the p19 INK4d protein has been determined at 1.9 A resolution. The results provide the first structural information for a cyclin D-dependent protein kinase and show how the INK4 family of CDK inhibitors bind. The structure indicates that the conformational changes induced by p19INK4d inhibit both productive binding of ATP and the cyclin-induced rearrangement of the kinase from an inactive to an active conformation. The structure also shows how binding of an INK4 inhibitor would prevent binding of p27Kip1, resulting in its redistribution to other CDKs. Identification of the critical residues involved in the interaction explains how mutations in Cdk4 and p16INK4a result in loss of kinase inhibition and cancer.

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Crossref · 10.1038/26164

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  • The same kind of ATP-binding-site distortion has been seen in CDK6 crystals bound to p16INK4a or p19INK4d.

    “A similar structural distortion of the ATP-binding site has been reported in the crystal structure of CDK6 bound to the tumor suppressor p16 INK4a or p19 INK4d (Brotherton et al , 1998; Russo et al , 1998).”
  • In CDK6, INK4 inhibitors occupy a site adjacent to the ATP pocket, opposite the activating cyclin, and indirectly block cyclin binding while lowering ATP affinity through allosteric changes.

    “In the structure, the INK4 inhibitors bind next to the ATP-binding site, opposite where the activating cyclin binds, and thereby not only prevent cyclin binding indirectly but also reduce the affinity of the kinase for ATP by causing extensive allosteric changes in CDK6.”

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Authors
Brotherton, D. H., Dhanaraj, V., Wick, S., Brizuela, L., Domaille, P. J., Volyanik, E., Xu, X., Parisini, E., Smith, B. O., Archer, S. J., Serrano, M., Brenner, S. L., Blundell, T. L., & Laue, E. D.
Affiliations
  • University of Cambridge (GB)
  • DuPont (United States) (US)
  • Centro Nacional de Biotecnología (ES)
Corresponding author
Laue, Ernest D.
Venue
Nature
Published
1998-09
Volume
395
Issue
6699
Pages
244-250
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1622452956
Cited by
210
References
49
Citations by year
2025: 5 · 2024: 4 · 2023: 1 · 2022: 4 · 2021: 2 · 2020: 6 · 2019: 4 · 2018: 2 · 2017: 3 · 2016: 2 · 2015: 3 · 2014: 4 · 2013: 4 · 2012: 5
FWCI
9.06
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Wellcome Trust
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
Keywords
CDK6, p19INK4d, cyclin-dependent kinase inhibitors, kinase inhibition mechanism, ATP binding, p27, cell cycle regulation, p16INK4a, cancer
MeSH terms
Adenosine Triphosphate, Amino Acid Sequence, Animals, Binding, Competitive, Carrier Proteins, Catalysis, Cell Line, Escherichia coli, Humans, Insecta, Molecular Sequence Data, Protein Conformation, Recombinant Proteins, Protein Serine-Threonine Kinases, Sequence Homology, Amino Acid, Crystallography, X-Ray, Cell Cycle Proteins, Cyclin-Dependent Kinases, Cyclin-Dependent Kinase Inhibitor p16, Cyclin-Dependent Kinase Inhibitor p19, Cyclin-Dependent Kinase 6, Mice

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