Research Article

Structural Properties of G,T-Parallel Duplexes

Table 6

Free energy difference (in kcal/mol) in different folding processes associated to A 𝐴 𝑁 mutation. A negative sign means that the presence of 8-aminoadenine stabilizes the folded form (right species in column 2).

MutationFolding process Δ Δ G s t a b ( k c a l / m o l )

Single strand ps-Duplex II 2 . 8 ± 0 . 2
A 𝐴 𝑁 Single strand ps-Triplex II 3 . 3 ± 0 . 2
ps-Duplex II ps-Triplex II 0 . 5 ± 0 . 2