6KNA:
reference: -A novel polyubiquitin chain linkage formed by viral Ubiquitin is resistant to host deubiquitinating enzymes., Negi H, Reddy PP, Vengayil V, Patole C, Laxman S, Das R, Biochem J. 2020 Jun 1. pii: 225104. doi: 10.1042/BCJ20200289. PMID: 32478812

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