Table 1.

Results of UV-monitored measurements.

Sample	ΔHf [kcal/mol]	ΔSf [cal/mol]	ΔGf, 20 [kcal/mol]	Tm [°C]
FAST IV	-100.7 ± 1.4	-289 ± 4	-15.9 ± 1.6	46.8 ± 0.9
GÇ/G	-94.7 ± 2.2	-270 ± 4	-15.6 ± 2.5	47.4 ± 0.6
GÇ/T	-92.3 ± 1.4	-267 ± 4	-13.8 ± 1.6	41.2 ± 0.5
GÇ/A	-88.8 ± 2.5	-257 ± 5	-13.1 ± 2.7	40.2 ± 0.6
ÇA/C *	-60.3 ± 3.6	-165 ± 13	-11.9 ± 5.0	38.9 ± 0.3
GÇA/AC	-60.4 ± 3.8	-168 ± 10	-12.6 ± 5.0	33.2 ± 0.3
Ç/G	-116.3 ± 3.0	-323 ± 11	-21.6 ± 3.5	61.7 ± 0.6
Ç/T	-87.2 ± 3.1	-244 ± 10	-15.7 ± 3.6	48.6 ± 0.3
Ç/A	-89.7 ± 1.3	-250 ± 4	-16.4 ± 1.7	51.1 ± 0.5
Ç/C, SLOW I *	-97.4 ± 2.7	-278 ± 11	-15.9 ± 3.2	46.0 ± 0.3

^*These samples have a broadened peak, although they can still be fit by the UV melting two-state model. The values are likely less accurate.