Table 1.

Compilation of transition amplitudes and torque dependency of cruciform extrusion and refolding rates for the inverted repeats studied in this article

DNA	Ionic conditions	Ncruciform (bp)	d(ln kr)/dn (kBT/turn)	d(ln kf)/dn (kBT/turn)	d(ln kr)/d (ln kf) = nr/nf	DNA unwinding in TS (bp)
WT Charomid X	10 mM Phosphate buffer	34 ± 1 (74)	0.71 ± 0.014	0.31 ± 0.015	2.3 ± 0.1	10 ± 1
	10 mM Phosphate Buffer + 50 mM NaCl	36 ± 1 (58)	0.30 ± 0.01	0.10 ± 0.01	2.9 ± 0.6	9 ± 1
Mutated Charomid X	10 mM Phosphate buffer	34 ± 1 (51)	0.91 ± 0.02	0.43 ± 0.02	2.1 ± 0.11	11 ± 1
	10 mM Phosphate buffer + 50 mM NaCl	36 ± 1 (65)	0.11 ± 0.02	0.11 ± 0.02	1.0 ± 0.25	18 ± 3
ColE1-5b	11 mM Phosphate buffer	30 ± 1	0.39 ± 0.05	1.68 ± 0.05	4.3 ± 0.5	5.8 ± 0.8
ColE1-8b	11 mM Phosphate buffer	32 ± 1	0.61 ± 0.13	1.57 ± 0.13	2.6 ± 0.5	9.1 ± 1.5

For unwinding amplitudes, the number in parenthesis is the number of events used to calculate the average.