Table 3.
ΔGvH | ΔΔGvHb | ΔHvH | ΔΔHvHb | −TΔSvH | −TΔΔSvHb | ΔCp,vH | ΔG‡ | ΔH‡ | −TΔS‡ | |
---|---|---|---|---|---|---|---|---|---|---|
kcal mol−1 | kcal mol−1 | kcal mol−1 | kcal mol−1 | kcal mol−1 | kcal mol−1 | kcal K−1 mol−1 | kcal mol−1 | kcal mol−1 | kcal mol−1 | |
WT | −14 ± 2 | — | −17 ± 1 | 3.1 ± 1.1 | — | −0.024 ± 0.186 | 8.0 ± 0.9 | 8.4 ± 0.6 | −0.32 ± 0.66 | |
Y52A | −10 ± 1 | 4.0 ± 2.2 | −11 ± 1 | 6.0 ± 1.4 | 0.68 ± 0.54 | −2.4 ± 1.2 | −0.16 ± 0.07 | 8.8 ± 0.2 | 4.3 ± 0.1 | −4.5 ± 0.1 |
Y102A | −8.7 ± 4.0 | 5.3 ± 4.5 | −12 ± 3 | 5.0 ± 3.2 | 3.2 ± 2.9 | 0.1 ± 3.1 | 0.15 ± 0.48 | 8.8 ± 1.3 | 6.7 ± 0.9 | −2.1 ± 0.9 |
aValues ± S.E of the curve fitting based on van’t Hoff or Eyring plots.
bΔΔGvH = ΔGvH,mutant − ΔGvH,WT, ΔΔHvH = ΔHvH, mutant − ΔHvH, WT; −TΔΔSvH = (−TΔSvH, mutant) − (−TΔSvH,WT).