Table 1.
Equilibrium fluorescence anisotropy binding parameters for polymerase binding to DNA
Dpo1 | Dpo4 | ||||
---|---|---|---|---|---|
Temp (oC) | Kd1 (μM)a | Kd2 (μM)a | Temp (oC) | Kd1 (μM)a | Kd2 (μM)a |
6.8 | 0.322 ± 0.023 | 17.2 ± 0.3 | 6.8 | 0.435 ± 0.116 | 9.32 ± 0.88 |
12.0 | 0.208 ± 0.057 | 8.01 ± 1.21 | 12.0 | 0.329 ± 0.107 | 5.16 ± 0.05 |
17.0 | 0.170 ± 0.023 | 5.78 ± 0.13 | 17.0 | 0.214 ± 0.003 | 4.70 ± 1.01 |
22.2 | 0.109 ± 0.016 | 4.70 ± 0.78 | 22.1 | 0.176 ± 0.010 | 3.22 ± 0.72 |
27.4 | 0.105 ± 0.003 | 3.70 ± 0.32 | 27.3 | 0.164 ± 0.009 | 2.82 ± 0.35 |
32.8 | 0.094 ± 0.001 | 2.68 ± 0.11 | 32.9 | 0.130 ± 0.004 | 3.01 ± 0.92 |
38.0 | 0.097 ± 0.003 | 2.48 ± 0.06 | 37.8 | 0.140 ± 0.066 | 2.33 ± 0.40 |
43.3 | 0.144 ± 0.003 | 2.60 ± 0.22 | 43.2 | 0.133 ± 0.026 | 1.72 ± 0.46 |
48.8 | 0.144 ± 0.015 | 1.82 ± 0.36 | 48.8 | 0.125 ± 0.051 | 2.32 ± 0.95 |
53.9 | 0.113 ± 0.032 | 2.41 ± 0.79 | 53.8 | 0.155 ± 0.065 | 2.71 ± 0.99 |
58.9 | 0.208 ± 0.022 | 3.21 ± 0.21 | 58.9 | 0.444 ± 0.115 | 3.81 ± 0.28 |
63.7 | 0.198 ± 0.026 | 4.52 ± 0.40 | 65.2 | 0.674 ± 0.080 | 7.18 ± 0.93 |
Kd1 and Kd2 are the equilibrium dissociation constants for the first and second binding events, respectively. Values are means and standard errors from parameters fit to Equation 5 from at least three independent titration experiments at each temperature.