Table 3.
FimA construct | Measured kF in 60 mm GdnHCla (s−1) | Calculated kF in 60 mm GdnHClb (s−1) | (kcalcF)/(kmeasuredF) | (kF(FimA))/(kF(FimAa)) |
---|---|---|---|---|
FimAECO | 9.50 ± 0.08 × 10−5 | NAc | 1.03 | |
FimAaECO | 9.26 ± 0.09 × 10−5 | 1.09 ± 0.28 × 10−4 | 1.18 | |
FimASHI | 2.08 ± 0.01 × 10−4 | NA | 1.32 | |
FimAaSHI | 1.57 ± 0.01 × 10−4 | 1.81 ± 0.28 × 10−4 | 1.15 | |
FimASAL | 1.05 ± 0.01 × 10−3 | NA | 0.97 | |
FimAaSAL | 1.08 ± 0.02 × 10−3 | 7.42 ± 1.09 × 10−4 | 0.69 |
a Rate constants of folding at pH 7.0 and 25 °C in 60 mm GdnHCl, determined from the refolding experiments in Fig. 5.
b Rate constants of folding at pH 7.0 and 25 °C in 60 mm GdnHCl, calculated from the Chevron plots in Fig. 4B and the deduced values of kFH2O and mF in Table 2.
c NA, not applicable.