2YLM:
reference: Mechanism of USP7/HAUSP activation by its C-terminal ubiquitin-like domain and allosteric regulation by GMP-synthetase., Faesen AC, Dirac AM, Shanmugham A, Ovaa H, Perrakis A, Sixma TK, Mol Cell. 2011 Oct 7;44(1):147-59. PMID: 21981925

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