Table 2. Values of delta Tm of DNAs incubated with NSC764638 at various concentrations.

Delta Tm (°C)	NSC764638
DNA	Hairpin	Human telomere (potassium)	Human telomere (sodium)
DNA:drug ratio
1:0	0	0	0
1:1	−0.77	4.63	−0.04
1:2	−0.28	5.35	−0.04
1:4	−0.07	6.20	0.46
1:6	0.32	6.52	0.33
1:10	0.10	8.04	1.00