1JB7:
reference: DNA G-quartets in a 1.86 A resolution structure of an Oxytricha nova telomeric protein-DNA complex., Horvath MP, Schultz SC, J Mol Biol 2001 Jul 6;310(2):367-77. PMID: 11428895

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