5ONB:
reference: Drosophila Bag-of-marbles directly interacts with the CAF40 subunit of the CCR4-NOT complex to elicit repression of mRNA targets., Sgromo A, Raisch T, Backhaus C, Keskeny C, Alva V, Weichenrieder O, Izaurralde E, RNA. 2017 Dec 18. pii: rna.064584.117. doi: 10.1261/rna.064584.117. PMID: 29255063

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