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A cyclin associated with the CDK-activating kinase MO15

Mäkelä, T. P. and Tassan, J. P. and Nigg, E. A. and Frutiger, S. and Hughes, G. J. and Weinberg, R. A.. (1994) A cyclin associated with the CDK-activating kinase MO15. Nature, Vol. 371. pp. 254-257.

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Official URL: http://edoc.unibas.ch/dok/A5249462

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Abstract

The eukaryotic cell cycle is regulated by the sequential activation of cyclin-dependent kinases (CDKs). CDK activation is dependent on cyclin binding and phosphorylation of a conserved threonine (T161 in Cdc2) mediated by the CDK-activating kinase CAK. A CDK-related kinase, MO15 (ref. 10), has been identified as the catalytic subunit of CAK (refs 11-13). Here we use a yeast two-hybrid screen to show that a new human cyclin (cyclin H) is a MO15-associated protein. Cyclin H is a major MO15 partner in vivo and enhances the kinase activity of MO15 towards Cdk2/cyclin A. These findings demonstrate that a cyclin/kinase complex can function as a regulator of other cyclin/kinase complexes, and suggest that cyclin/kinase cascades may exist.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum
05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Cell Biology (Nigg)
UniBasel Contributors:Nigg, Erich A.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Macmillan
ISSN:0028-0836
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:19
Deposited On:22 Mar 2012 13:17

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