Journal
TRENDS IN BIOCHEMICAL SCIENCES
Volume 40, Issue 8, Pages 456-467Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2015.05.002
Keywords
deubiquitinating enzyme; isopeptidase; allosteric; ubiquitin; regulation; mechanism
Categories
Funding
- NWO-Gravity program CGC.nl
- ERC [249997]
- Ubiquitin Balance
- KWF [2012-5398]
- European Research Council (ERC) [249997] Funding Source: European Research Council (ERC)
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Proteolytic enzymes, such as (iso-)peptidases, are potentially hazardous for cells. To neutralize their potential danger, tight control of their activities has evolved. Deubiquitylating enzymes (DUBs) are isopeptidases involved in eukaryotic ubiquitylation. They reverse ubiquitin signals by hydrolyzing ubiquitin adducts, giving them control over all aspects of ubiquitin biology. The importance of DUB function is underscored by their frequent deregulation in human disease, making these enzymes potential drug targets. Here, we review the different layers of DUB enzyme regulation. We discuss how post-translational modification (PTM), regulatory domains within DUBs, and incorporation of DUBs into macromolecular complexes contribute to their activity. We conclude that most DUBs are likely to use a combination of these basic regulatory mechanisms.
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