TABLE 1.
Intrinsic and apparent pKa values calculated for site N3 of the protonatable cytosine bases for the triplex (τ) and hairpin (δ) conformations used in the two-state model
Site | pKintr(τ) | pKintr(δ) | pKapp(τ) | pKapp(δ) |
---|---|---|---|---|
C18 | 8.4 | 5.2 | 8.1 | 5.1 |
C21 | 9.5 | 5.4 | 8.2 | 4.7 |
C22 | 9.0 | 5.5 | 7.9 | 4.9 |
C7 | 7.7 | 4.2 | 7.5 | 4.2 |