4CYI:
reference: Structural basis for Pan3 binding to Pan2 and its function in mRNA recruitment and deadenylation., Wolf J, Valkov E, Allen MD, Meineke B, Gordiyenko Y, McLaughlin SH, Olsen TM, Robinson CV, Bycroft M, Stewart M, Passmore LA, EMBO J. 2014 May 28. pii: e201488373. PMID: 24872509

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