Insights into the anaphase-promoting complex: a molecular machine that regulates mitosis - PubMed (original) (raw)
Review
Insights into the anaphase-promoting complex: a molecular machine that regulates mitosis
Leifu Chang et al. Curr Opin Struct Biol. 2014 Dec.
Abstract
The anaphase-promoting complex/cyclosome (APC/C) is a large multimeric complex that functions as a RING domain E3 ubiquitin ligase to regulate ordered transitions through the cell cycle. It does so by controlling the ubiquitin-mediated proteolysis of cell cycle proteins, notably cyclins and securins, whose degradation triggers sister chromatid disjunction and mitotic exit. Regulation of APC/C activity and modulation of its substrate specificity are subject to intricate cell cycle checkpoints and control mechanisms involving the switching of substrate-specifying cofactors, association of regulatory protein complexes and post-translational modifications. This review discusses the recent progress towards understanding the overall architecture of the APC/C, the molecular basis for degron recognition and ubiquitin chain synthesis, and how these activities are regulated.
Crown Copyright © 2014. Published by Elsevier Ltd. All rights reserved.
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