Table 2.

Binding of 3a to DNA hairpins:

$\underset{3\prime -\mathrm{GC}\mathbf{XXXXX}{\mathrm{G}}_{{\mathrm{A}}_{\mathrm{A}}}}{\overset{5\prime -\mathrm{CG}\mathbf{XXXXX}{\mathrm{C}}^{{\mathrm{A}}^{\mathrm{A}}}}{}}\mathrm{A}$
hairpin	TGTGT ACACA	TATAT ATATA	AATCT TTAGA	GGGGG CCCCC	AAAAA TTTTT
Ka (×107M−1)	29.2 (±2.6)	36.5 (±5.5)	23.5 (±3.2)	15.7 (±1.6)	17.3 (±1.5)
hairpin	GCGCG CGCGC	AACGG TTGCC	GGTAG CCATC	AGCCT TCGGA	AGAGA TCTCT
Ka (×106M−1)	23.9 (±3.2)	41.3 (±4.7)	47.6 (±3.9)	21.8 (±1.8)	48.1 (±5.2)