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. Author manuscript; available in PMC: 2010 Jan 20.
Published in final edited form as: Acc Chem Res. 2009 Jan 20;42(1):11–21. doi: 10.1021/ar800016q

Figure 4.

Figure 4

Figure 4

Figure 4

Figure 4

Figure 4

Figure 4

Types of amidinium-water-base interactions. Bridging waters in furamidine (A, B), CGP40215A (C, D), berenil (E, F), DAPI (G, H), sandwiching water of DB921 (I, J), and a mix of both types with DB819 (K, L). Water molecules are shown as white spheres, ligands and interacting nucleotides as tubes, and other nucleotides as stick representations.