4DA3:
reference: Structure-based design and evaluation of naphthalene diimide G-quadruplex ligands as telomere targeting agents in pancreatic cancer cells., Micco M, Collie GW, Dale AG, Onhmacht SA, Pazitna I, Gunaratnam M, Reszka AP, Neidle S, J Med Chem. 2013 Mar 21. PMID: 23514618

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