5I8Q:
reference: Structure of the DEAH/RHA ATPase Prp43p bound to RNA implicates a pair of hairpins and motif Va in translocation along RNA., He Y, Staley JP, Andersen GR, Nielsen KH, RNA. 2017 Jul;23(7):1110-1124. doi: 10.1261/rna.060954.117. Epub 2017 Apr 17. PMID: 28416566

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