6IA0:
reference: Impact of Oxidative Lesions on the Human Telomeric G-quadruplex., Bielskute S, Plavec J, Podbevsek P, J Am Chem Soc. 2019 Jan 18. doi: 10.1021/jacs.8b12748. PMID: 30657306

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