Comment on

• Crystal structure of Δ-[Ru(bpy)₂dppz]²⁺ bound to mismatched DNA reveals side-by-side metalloinsertion and intercalation.

  Song H, Kaiser JT, Barton JK. Song H, et al. Nat Chem. 2012 Jun 10;4(8):615-20. doi: 10.1038/nchem.1375. Nat Chem. 2012. PMID: 22824892 Free PMC article.
• Crystal structures of Λ-[Ru(phen)₂dppz]²⁺ with oligonucleotides containing TA/TA and AT/AT steps show two intercalation modes.

  Niyazi H, Hall JP, O'Sullivan K, Winter G, Sorensen T, Kelly JM, Cardin CJ. Niyazi H, et al. Nat Chem. 2012 Jun 24;4(8):621-8. doi: 10.1038/nchem.1397. Nat Chem. 2012. PMID: 22824893