Table 5. Equilibrium dissociation constants (KD) for KDL binding MsbA trapped with ADP and vanadate at various temperatures.
Reported are the mean and standard deviation (n=3).
| Temperature(K) | KD1(μM) | KD2(μM) | KD3(μM) | R2* | Χ2* | |
|---|---|---|---|---|---|---|
| WT | 293 | 0.51±0.04 | 1.16±0.07 | 0.97 | 0.08 | |
| 298 | 0.44±0.02 | 0.93±0.09 | 0.94 | 0.17 | ||
| 303 | 0.38±0.02 | 0.73±0.05 | 0.94 | 0.15 | ||
| 310 | 0.31±0.01 | 0.53±0.04 | 0.92 | 0.2 | ||
| R188A | 293 | 1.56±0.09 | 3.46±0.15 | 10.98±1.15 | 0.98 | 0.07 |
| 298 | 1.53±0.11 | 3.40±0.21 | 10.15±1.62 | 0.98 | 0.06 | |
| 303 | 1.35±0.10 | 2.90±0.26 | 9.02±1.11 | 0.98 | 0.05 | |
| 310 | 0.93±0.09 | 1.89±0.24 | 5.50±1.10 | 0.97 | 0.07 | |
| R238A | 293 | 1.67±0.23 | 6.71±1.38 | 0.99 | 0.05 | |
| 298 | 0.91±0.10 | 3.15±0.12 | 0.98 | 0.06 | ||
| 303 | 0.34±0.04 | 1.09±0.23 | 3.75±0.60 | 0.95 | 0.11 | |
| 310 | 0.10±0.02 | 0.33±0.11 | 0.92±0.38 | 1 | 0 | |
| K243A | 293 | 2.01±0.06 | 5.26±0.85 | 0.99 | 0.02 | |
| 298 | 1.46±0.01 | 3.90±0.48 | 0.99 | 0.03 | ||
| 303 | 0.60±0.02 | 1.54±0.12 | 3.72±0.54 | 0.98 | 0.04 | |
| 310 | 0.25±0.02 | 0.46±0.02 | 1.06±0.04 | 0.89 | 0.2 | |
| R188A R238A | 293 | 1.24±0.10 | 4.82±0.16 | 0.99 | 0.03 | |
| 298 | 1.17±0.11 | 4.65±0.92 | 0.99 | 0.02 | ||
| 303 | 0.87±0.06 | 3.05±0.26 | 0.98 | 0.04 | ||
| 310 | 0.39±0.05 | 1.28±0.09 | 6.36±1.07 | 0.98 | 0.04 | |
| R188A K243A | 293 | 3.64±0.28 | 15.66±4.76 | 0.99 | 0.03 | |
| 298 | 2.23±0.07 | 6.68±0.17 | 0.99 | 0.03 | ||
| 303 | 1.06±0.05 | 3.10±0.33 | 19.33±3.70 | 0.99 | 0.03 | |
| 310 | 0.66±0.02 | 1.56±0.04 | 5.70±0.93 | 0.98 | 0.04 | |
| R238A K243A | 293 | 1.31±0.04 | 4.35±0.07 | 0.99 | 0.03 | |
| 298 | 1.03±0.09 | 3.65±0.15 | 0.99 | 0.02 | ||
| 303 | 0.48±0.05 | 1.97±0.09 | 0.97 | 0.09 | ||
| 310 | 0.10±0.02 | 0.58±0.06 | 0.74 | 0.93 |
These values represent the replicates with the poorest fits.