1M6F:
reference: Strong binding in the DNA minor groove by an aromatic diamidine with a shape that does not match the curvature of the groove., Nguyen B, Lee MP, Hamelberg D, Joubert A, Bailly C, Brun R, Neidle S, Wilson WD, J Am Chem Soc 2002 Nov 20;124(46):13680-1. PMID: 12431090

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