Structural highlights
Evolutionary Conservation
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Publication Abstract from PubMed
Ubiquitin-specific proteases (USPs) can remove covalently attached ubiquitin moieties from target proteins and regulate both the stability and ubiquitin-signaling state of their substrates. All USPs contain a conserved catalytic domain surrounded by one or more subdomains, some of which contribute to target recognition. One such specific subdomain, the DUSP domain (domain present in ubiquitin-specific proteases), is present in at least seven different human USPs that regulate the stability of or interact with the hypoxia-inducible transcription factor HIF1-alpha, the Von Hippel-Lindau protein (pVHL), cullin E3 ligases, and BRCA2. We describe the NMR solution structure of the DUSP domain of human USP15, recently implicated in COP9 (constitutive photomorphogenic gene 9)-signalosome regulation. Its tripod-like structure consists of a 3-fold alpha-helical bundle supporting a triple-stranded anti-parallel beta-sheet. The DUSP domain displays a novel fold, an alpha/beta tripod (AB3). DUSP domain surface properties and previously described work suggest a potential role in protein/protein interaction or substrate recognition.
Solution structure of the human ubiquitin-specific protease 15 DUSP domain.,de Jong RN, Ab E, Diercks T, Truffault V, Daniels M, Kaptein R, Folkers GE J Biol Chem. 2006 Feb 24;281(8):5026-31. Epub 2005 Nov 18. PMID:16298993[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
See Also
References
- ↑ de Jong RN, Ab E, Diercks T, Truffault V, Daniels M, Kaptein R, Folkers GE. Solution structure of the human ubiquitin-specific protease 15 DUSP domain. J Biol Chem. 2006 Feb 24;281(8):5026-31. Epub 2005 Nov 18. PMID:16298993 doi:10.1074/jbc.M510993200