Caenorhabditis elegansUBC-2 functions with the anaphase-promoting complex but also has other activities

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Caenorhabditis elegans UBC-2 functions with the anaphase-promoting complex but also has other activities.

The anaphase-promoting complex or cyclosome (APC/C) is a multi-subunit ubiquitin ligase that regulates the eukaryotic cell cycle. APC/C belongs to the RING finger class of ubiquitin ligases that function by interacting with a ubiquitin-conjugating enzyme (Ubc), thus inciting the Ubc to transfer ubiquitin onto a target protein. Extensive studies with APC/C in other organisms have identified seve...

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Coactivator functions in a stoichiometric complex with anaphase-promoting complex/cyclosome to mediate substrate recognition.

The anaphase-promoting complex/cyclosome (APC/C) is a multisubunit E3 ligase required for ubiquitin-dependent proteolysis of cell-cycle-regulatory proteins, including mitotic cyclins and securin/Pds1. Regulation of APC/C activity and substrate recognition, mediated by the coactivators Cdc20 and Cdh1, is fundamental to cell-cycle control. However, the precise mechanism by which coactivators stim...

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The anaphase-promoting complex/cyclosome: APC/C.

The major ubiquitin ligase required for mitosis is the anaphase-promoting complex/cyclosome (APC/C). This unusually complex E3 ubiquitin ligase targets cell-cycle-related proteins such as cyclins and securin for degradation by the proteasome in mitosis and meiosis. The APC/C is regulated by phosphorylation, as well as by various activators and inhibitors that alter its substrate specificity at ...

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emb-1 Encodes the APC16 Subunit of the Caenorhabditis elegans Anaphase-Promoting Complex

In the nematode Caenorhabditis elegans, temperature-sensitive mutants of emb-1 arrest as one-cell embryos in metaphase of meiosis I in a manner that is indistinguishable from embryos that have been depleted of known subunits of the anaphase-promoting complex or cyclosome (APC/C). Here we show that the emb-1 phenotype is enhanced in double mutant combinations with known APC/C subunits and suppre...

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Visualizing the complex functions and mechanisms of the anaphase promoting complex/cyclosome (APC/C)

The anaphase promoting complex or cyclosome (APC/C) is a large multi-subunit E3 ubiquitin ligase that orchestrates cell cycle progression by mediating the degradation of important cell cycle regulators. During the two decades since its discovery, much has been learnt concerning its role in recognizing and ubiquitinating specific proteins in a cell-cycle-dependent manner, the mechanisms governin...

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ژورنال

عنوان ژورنال: Journal of Cell Science

سال: 2004

ISSN: 1477-9137,0021-9533

DOI: 10.1242/jcs.01417