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. 2017 Jun 28;56(14):8381–8389. doi: 10.1021/acs.inorgchem.7b01037

Table 1. Binding Affinities of [Ru(bpy)2(BNIQ)]2+ with Well-Matched, Mismatched, and Abasic DNA Duplexes.

  well-matched mismatched abasic
Ka (M–1)a 7.3 × 103 3.5 × 106 3.8 × 106
a

Titrations were performed with DNA sequences shown in Figure 2. Samples were prepared in 5 mM Tris, 200 mM NaCl, pH 7.5. [Ru] = 4 μM, λex = 440 nm. The binding affinity is expressed per binding site and not per DNA sequence.