3QRN:
reference: Structure determination of an intercalating ruthenium dipyridophenazine complex which kinks DNA by semiintercalation of a tetraazaphenanthrene ligand., Hall JP, O'Sullivan K, Naseer A, Smith JA, Kelly JM, Cardin CJ, Proc Natl Acad Sci U S A. 2011 Oct 3. PMID: 21969542

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