3MDG:
reference: Structural basis of UGUA recognition by the Nudix protein CFI(m)25 and implications for a regulatory role in mRNA 3' processing., Yang Q, Gilmartin GM, Doublie S, Proc Natl Acad Sci U S A. 2010 Jun 1;107(22):10062-7. Epub 2010 May 17. PMID: 20479262

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