Table 2. Observed relaxation rates and derived folding and unfolding rates measured at 1,650 cm^-1.

	Relaxation		Folding		Unfolding
	Rate, s-1	Time, μs	Rate, s-1	Time, μs	Rate, s-1	Time, μs
HP36 (60.2°C)	6.20 × 105	1.61	3.10 × 105	3.23	3.10 × 105	3.23
HP36 F47L, F51L (49.9°C)	6.64 × 105	1.51	3.32 × 105	3.01	3.32 × 105	3.01
HP36 (49.9°C)	4.43 × 105	2.26	3.00 × 105	3.34	1.43 × 105	6.97

U, unfolded state; F, folded state.