Table 2.
ITC binding data for interaction of E. coli SSB C-terminal P15 and RecO in buffer BTP
pH | [NaCl] (mM) | Temp. | Stoichiometry (N) | K (![]() |
ΔH (kcal/mol) | ΔG° (kcal/mol) | TΔS° (kcal/mol) |
---|---|---|---|---|---|---|---|
8 | 50 | 25°C | 1 (fixed) | (1.2 ± 0.3) × ![]() |
−5.2 ± 0.1 | −9.7 ± 0.2 | 4.5 ± 0.2 |
8 | 200 | (3.1 ± 0.3) × ![]() |
−3.9 ± 0.1 | −8.9 ± 0.1 | 5.0 ± 0.1 | ||
7 | 200 | 15°C | (1.9 ± 0.5) × ![]() |
−2.4 ± 0.2 | −8.3 ± 0.2 | 5.9 ± 0.3 | |
25°C | (1.1 ± 0.1) × ![]() |
−6.0 ± 0.2 | −8.1 ± 0.2 | 2.0 ± 0.3 | |||
37°C | (4.5 ± 1.1) × ![]() |
−7.8 ± 0.8 | −8.1 ± 0.1 | 0.13 ± 0.1 |
K = observed association equilibrium constant, ΔH = enthalpy change.