2WJV:
reference: Unusual bipartite mode of interaction between the nonsense-mediated decay factors, UPF1 and UPF2., Clerici M, Mourao A, Gutsche I, Gehring NH, Hentze MW, Kulozik A, Kadlec J, Sattler M, Cusack S, EMBO J. 2009 Jun 25. PMID: 19556969

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