Table 2.

Change in the melting temperature (Tm) of DNA incubated with compounds^†.

Compound	ΔTm DNA (°C)
KTZ	NC
CTZ	NC
1	−1.1
2	*
3	NC
4	**
5	NM
6	NM
7	−2.3
8	NC
9	NC
10	NC
11	−0.3
12	*

^†DNA was incubated with 0.5 equivalents of every compound for 3–24 hours in 5 mM Tris/HCl buffer at pH=7.39

^*Complex decomposes at high temperature

^**Tm cannot be measured because of band overlap

NC: no change in Tm beyond error is observed

NM: Tm non measured