. 2022 Sep 12;61(38):14947–14961. doi: 10.1021/acs.inorgchem.2c01231

Table 3. DNA Binding Constants (K_b) and Binding Site Sizes (s) Determined for Enantiomers of 1 and 2 Using the Bard Treatment of the Emission Data at 750 nm for DNA Systems Titrated with a 20 mM Phosphate Buffer at pH 7.0.

Λ	binding constant K_b (M^–1)/binding site size (s)	Δ	binding constant K_b (M^–1)/binding site size (s)
Λ-1/ST	1.6 (±0.4) × 10⁶ M^–1/2.6 (±0.1)	Δ-1/ST	1.7 (±0.6) × 10⁷ M^–1/1.8 (±0.02)
Λ-1/GC	2.0 (±0.4) × 10⁶ M^–1/6.0 (±0.2)	Δ-1/GC	1.4 (±0.2) × 10⁶ M^–1/2.7 (±0.1)
Λ-1/AT	1.1 (±0.3) × 10⁷ M^–1 /5.0 (±0.1)	Δ-1/AT	8.5 (±0.5) × 10⁶ M^–1/3.8 (±0.1)
Λ-2/ST	2.4 (±0.2) × 10⁶ M^–1/1.5 (±0.02)	Δ-2/ST	1.3 (±0.7) × 10⁷ M^–1/1.3 (±0.03)
Λ-2/GC	3.2 (±0.6) × 10⁶ M^–1 /6.0 (±0.07)	Δ-2/GC	1.8 (±0.4) × 10⁶ M^–1/3.4 (±0.1)
Λ-2/AT	1.4 (±0.4) × 10⁷ M^–1/7.7 (±0.08)	Δ-2/AT	4.5 (±1.3) × 10⁶ M^–1/4.6 (±0.1)

Table 3. DNA Binding Constants (Kb) and Binding Site Sizes (s) Determined for Enantiomers of 1 and 2 Using the Bard Treatment of the Emission Data at 750 nm for DNA Systems Titrated with a 20 mM Phosphate Buffer at pH 7.0.