6DKL:
reference: Self-Assembly of a 3D DNA Crystal Structure with Rationally Designed Six-Fold Symmetry., Zhang F, Simmons CR, Gates J, Liu Y, Yan H, Angew Chem Int Ed Engl. 2018 Jul 31. doi: 10.1002/anie.201807223. PMID: 30066355

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