5ZAK:
reference: Cryo-EM Structure of Human Dicer and Its Complexes with a Pre-miRNA Substrate., Liu Z, Wang J, Cheng H, Ke X, Sun L, Zhang QC, Wang HW, Cell. 2018 May 17;173(5):1191-1203.e12. doi: 10.1016/j.cell.2018.03.080. Epub, 2018 Apr 26. PMID: 29706542

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