5BTP:
reference: Recognition of the bacterial alarmone ZMP through long-distance association of two RNA subdomains., Jones CP, Ferre-D'Amare AR, Nat Struct Mol Biol. 2015 Aug 17. doi: 10.1038/nsmb.3073. PMID: 26280533

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