Table 3. Numerical k_a1, k_a2, k_d1, k_d2, K_a1, and K_a2 values obtained from the kinetic analysis of the SPR experiments to examine the binding of NSC749235 and NSC764638 to HTG22 (potassium).

Compound	DNA	ka1 (M−1sec−1)	ka2 (M−1sec−1)	kd1 (sec−1)	kd2 (sec−1)	Ka1 (M−1)	Ka2 (M−1)
NSC749235	HTG22 (potassium)	0.29 × 103	0.30 × 103	1.77 × 103	1.75 × 103	1.65 × 105	1.69 × 105
NSC764638	HTG22 (potassium)	0.48 × 103	0.46 × 103	1.70 × 103	1.20 × 103	2.82 × 105	3.84 × 105