Reference: Irniger S (2002) Cyclin destruction in mitosis: a crucial task of Cdc20. FEBS Lett 532(1-2):7-11

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Abstract


Proteolytic destruction of cyclins is a fundamental process for cell division. At the end of mitosis, degradation of mitotic cyclins results in the inactivation of cyclin-dependent kinases. Cyclin proteolysis is triggered by the anaphase-promoting complex/cyclosome (APC/C), a multi-subunit complex which contains ubiquitin ligase activity. Recent data in yeast demonstrated that a partial degradation of the mitotic cyclin Clb2, mediated by APC/C and its activator protein Cdc20, is essential and sufficient for the mitotic exit. Remarkably, a complete inactivation of cyclin-dependent kinases seems to be not essential. This review discusses recent novel insights into cyclin destruction and its implications for the mitotic exit.

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Journal Article | Research Support, Non-U.S. Gov't | Review
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Irniger S
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