Table 2.

Free energy calculations on Watson-Crick and wobble basepairs

Basepairing	ΔG°1 (kcal/mol)	d1 (A˚)	ΔG°2 (kcal/mol)	d2 (A˚)
C:G	−5.53	2.94	−0.58	5.50
U:A	−4.42	2.96	−0.72	5.73
U:G	−4.45	3.75	−0.87	5.78
U:U	−5.82	3.80	−1.17	5.62
U:C	−0.37	3.64	0.01	5.51

Note: The table is a simplified version from [2].