5IX7:
reference: A metallo-DNA nanowire with uninterrupted one-dimensional silver array., Kondo J, Tada Y, Dairaku T, Hattori Y, Saneyoshi H, Ono A, Tanaka Y, Nat Chem. 2017 Oct;9(10):956-960. doi: 10.1038/nchem.2808. Epub 2017 Jul 3. PMID: 28937663

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