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The function of APC/CCdh1 in cell cycle and beyond

Min Li1 email and Pumin Zhang1,2 email

Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030, USA

Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA

author email corresponding author email

Cell Division 2009, 4:2doi:10.1186/1747-1028-4-2

Published: 19 January 2009

Abstract

The anaphase promoting complex/cyclosome (APC/C) is a multi-subunit E3 ubiquitin ligase playing essential functions in mitosis. It is conserved from yeast to human and relies on two adaptor proteins, Cdc20 and Cdh1, to bring in substrates. Both APCCdc20 and APCCdh1 are implicated in the control of mitosis through mediating ubiquitination and degradation of important mitotic regulators such as cyclin B1, securin, and Plk1. In addition, APCCdh1 is thought to prevent premature S phase entry by limiting the accumulation of mitotic cyclins in G1 and to regulate processes unrelated to cell cycle. In this review, we will summarize our current understanding of APCCdh1 function in cell cycle and beyond.


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