2N3Q:
reference: The NMR structure of the II-III-VI three-way junction from the Neurospora VS ribozyme reveals a critical tertiary interaction and provides new insights into the global ribozyme structure., Bonneau E, Girard N, Lemieux S, Legault P, RNA. 2015 Jun 29. PMID: 26124200

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