Loop Free-Energy Decomposition

Dimer 1

ΔG = -3.4 kcal/mol ΔH = -32.1 kcal/mol ΔS = -92.4 e.u. T_m = -1.2°C

Structural element	δδG	Information
External loop	-1.44	20 ss bases & 1 closing helices
Stack	-1.28	External closing pair is C17-G18
Stack	-1.30	External closing pair is T18-A17
Helix	-2.58	3 base pairs
External loop	+0.58	Closing pair is C19-G16