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Curr Opin Cell Biol. 2007 Apr;19(2):199-205. Epub 2007 Feb 15.

Role of ubiquitin- and Ubl-binding proteins in cell signaling.

Author information

1
Institute of Biochemistry II, Goethe University Hospital, Theodor-Stern-Kai 7, D-60590 Frankfurt (Main), Germany.

Abstract

Besides tagging proteins for degradation, ubiquitin is now recognized as a signaling module for diverse cellular processes, including progression through the cell cycle, DNA repair, gene transcription, receptor trafficking and endocytosis. Recent advances have indicated the existence of a wide variety of ubiquitin-binding proteins that, upon recognition of conjugated ubiquitin moieties, can control assembly of complex signaling networks. Small ubiquitin-like proteins, like SUMO, emerge to play biological roles distinct from ubiquitin, and require specific recognition by a dedicated set of proteins. Identification and characterization of recognition motifs and domains for ubiquitin-like proteins have just begun, promising new insights into the diversity of functions ubiquitin family proteins have in physiological and pathological settings.

PMID:
17303403
DOI:
10.1016/j.ceb.2007.02.002
[Indexed for MEDLINE]

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