5NPA:
reference: Molecular basis for asymmetry sensing of siRNAs by the Drosophila Loqs-PD/Dcr-2 complex in RNA interference., Tants JN, Fesser S, Kern T, Stehle R, Geerlof A, Wunderlich C, Juen M, Hartlmuller C, Bottcher R, Kunzelmann S, Lange O, Kreutz C, Forstemann K, Sattler M, Nucleic Acids Res. 2017 Oct 13. doi: 10.1093/nar/gkx886. PMID: 29040648

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