5V5F:
reference: RISC-interacting clearing 3'- 5' exoribonucleases (RICEs) degrade uridylated cleavage fragments to maintain functional RISC in Arabidopsis thaliana., Zhang Z, Hu F, Sung MW, Shu C, Castillo-Gonzalez C, Koiwa H, Tang G, Dickman M, Li P, Zhang X, Elife. 2017 May 2;6. pii: e24466. doi: 10.7554/eLife.24466. PMID: 28463111

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).