Table 1. Calculated pKa Values for Acid-Range Titratable Residues in HEWL Using the Proposed Method for a ca. 150 ns Simulation and a ca. 120 ns Simulationa.
simulation | ||||
---|---|---|---|---|
residue | 150 ns | 120 ns | implicit | experiment |
Glu 7 | 3.37 | 3.31 | 3.85 | 2.6 |
His 15 | 6.38 | 6.32 | 5.79 | 5.5 |
Asp 18 | 2.83 | 2.89 | 2.49 | 2.8 |
Glu 35 | 6.27 | 6.32 | 3.65 | 6.1 |
Asp 48 | 2.31 | 1.92 | 2.47 | 1.4 |
Asp 52 | 2.24 | 2.63 | 3.37 | 3.6 |
Asp 66 | 1.87 | 1.81 | 1.50 | 1.2 |
Asp 87 | 2.02 | 2.06 | 2.98 | 2.2 |
Asp 101 | 4.36 | 4.25 | 2.32 | 4.5 |
Asp 119 | 1.53 | 1.53 | 1.74 | 3.5 |
RMSE | 0.92 | 0.82 | 1.32 |
Experimental values are taken from ref (49). Implicit solvent results are shown for comparison. (Results are shown for the final 500 ns of the 600 ns implicit solvent simulation).