Table 4. Equilibrium Dissociation Constants for the Binding of the Ligands to c-kit1, c-kit2, and c-myc G4s Obtained by MST Experiments^a.

	Kd (μM)
Comp	c-kit1	c-kit2	c-myc
1	0.03 ± 0.01	0.04 ± 0.01	1.5 ± 0.4
2	0.12 ± 0.02	0.13 ± 0.02	n.d.
8	0.38 ± 0.09	0.49 ± 0.09	3.0 ± 1.0
10	0.07 ± 0.02	0.50 ± 0.04	1.2 ± 0.4
15	0.30 ± 0.04	0.37 ± 0.03	7.0 ± 1.0
19	8.0 ± 2.0	2.5 ± 0.3	37 ± 1
20	2.0 ± 0.2	1.3 ± 0.2	8.0 ± 3.1

^aDissociation constant values were obtained with MST experiments. Comp, compound. n.d., not determined.