Table 2. Results of the FRET analysis for the DNA dAF-bulge and dTF-bulge molecules.

	dAF-bulge	dTF-bulge	dUF-bulge
Measured FRET efficiency	0.47 ± 0.02	0.42 ± 0.02	–
Dye distance (experimental) (nm)	5.1 ± 0.2	5.3 ± 0.2	–
Dye distance, calculated from model (nm)	5.6	5.2	5.4