. Author manuscript; available in PMC: 2016 Nov 16.

Published in final edited form as: J Chem Soc Chem Commun. 1991;1991(17):1161–1163. doi: 10.1039/C39910001161

Table 1.

Melting transitions (T_m) and free energies of complexation (−ΔG°37) for the circular oligodeoxynucleotides 1 and 2 with their complements and for the analogous duplexes at pH 7.0. Estimated uncertainties in T_m are ±0.5 °C and in free energy, ±10%.

Complex	T_m/°C	−ΔG°₃₇/kcal^a
5′-AAAAAAAAAAAA 3′-TTTTTTTTTTTT	36.9	8.1
	57.4	16.7
5′-AAGAAAGAAAAG 3′-TTCTTTCTTTTC	44.7	9.8
	61.8	16.5

1 cal = 4.184J.