5V9X:
reference: Structure of mycobacterial 3'-to-5' RNA:DNA helicase Lhr bound to a ssDNA tracking strand highlights distinctive features of a novel family of bacterial helicases., Ejaz A, Ordonez H, Jacewicz A, Ferrao R, Shuman S, Nucleic Acids Res. 2017 Nov 20. pii: 4641910. doi: 10.1093/nar/gkx1163. PMID: 29165676

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