Table 2.

Folding kinetics parameters.^a

		8-state			2-state
[GdmCl]	2 M	2.25 M	2.5 M	2 M	2.25 M	2.5 M
ε1F	0.16	0.16	0.16	0.16	0.16	0.16
ε1U	0.26	0.28	0.28	0.26	0.28	0.28
ε2F	0.71	0.69	0.70	0.71	0.69	0.69
ε2U	0.55	0.49	0.48	0.54	0.49	0.47
ε12F	0.84	0.83	0.82	0.84	0.83	0.82
ε12F	0.65	0.64	0.64	0.65	0.64	0.63
${\epsilon }_{\text{F}}^{\text{DA1}}$	0.90	0.90	0.89	0.90	0.90	0.89
${\epsilon }_{\text{U}}^{\text{DA1}}$	0.79	0.78	0.77	0.78	0.78	0.77
${\epsilon }_{\text{F}}^{\text{DA2}}$	0.30	0.30	0.32	0.30	0.30	0.32
${\epsilon }_{\text{U}}^{\text{DA2}}$	0.22	0.21	0.20	0.21	0.21	0.20
k	1.24 (±0.06)	0.91 (±0.03)	0.85 (±0.04)	1.32 (±0.06)	0.97 (±0.03)	0.92 (±0.05)
pF	0.65 (±0.01)	0.50 (±0.01)	0.29 (±0.01)	0.65 (±0.01)	0.51 (±0.01)	0.30 (±0.01)
kb1	5.97 (±1.05)	4.71 (±0.45)	5.35 (±0.71)
pb1b	0.99	0.99	0.99
kb2	1.99 (±0.90)	1.59 (±0.39)	1.36 (±0.38)
pb2b	0.99	0.99	0.98

^aErrors are standard deviations calculated from the curvature at the maximum of the likelihood function.

^bp_b1 and p_b2 correspond to the values at the reference photon count rate of 100 ms⁻¹.