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Trends Cell Biol. 2007 Aug;17(8):370-6. Epub 2007 Sep 4.

SUMO-specific proteases: a twist in the tail.

Author information

1
Sir James Black Centre, College of Life Sciences, University of Dundee, Dow Street, Dundee DD1 5EH, UK. r.t.hay@dundee.ac.uk

Abstract

The small ubiquitin-like modifier (SUMO) is involved in many cellular processes and is required for normal growth and development in all eukaryotes. Whereas lower eukaryotes have a single version of SUMO, higher eukaryotes have three versions: SUMO-1, -2 and -3. Similarly to most other ubiquitin-like proteins, the primary translation products of the SUMO genes need to be proteolytically processed to expose the C-terminal glycine that will be linked to lysine side chains in substrates. Processing of SUMO precursors is mediated by SUMO-specific proteases that also remove SUMO from modified proteins and depolymerise poly-SUMO chains.

PMID:
17768054
DOI:
10.1016/j.tcb.2007.08.002
[Indexed for MEDLINE]

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