TABLE 2.
Thermodynamic parameters of binding between CagAWT and CagF variants
All values are means of duplicate runs.
CagF mutation | N | Kd | ΔH | ΔS | TΔS |
---|---|---|---|---|---|
nm | kcal mol−1 | cal K−1 mol−1 | kcal mol−1 | ||
WT | 0.98 ± 0.02 | 49 ± 1 | −38.4 ± 1.1 | −95.2 ± 3.7 | −28.4 |
F30A | 0.92 ± 0.02 | 35 ± 4 | −37.4 ± 0.6 | −91.2 ± 1.5 | −27.2 |
E31A | 1.11 ± 0.01 | 43 ± 12 | −28.1 ± 1.5 | −60.5 ± 5.7 | −18.0 |
L32A | 1.11 ± 0.02 | 105 ± 12 | −32.6 ± 0.3 | −77.2 ± 0.5 | −23.0 |
K33A | 1.10 ± 0.01 | 61 ± 1 | −33.2 ± 0.1 | −78.4 ± 0.3 | −23.4 |
E34A | 1.09 ± 0.00 | 61 ± 4 | −32.6 ± 1.4 | −76.4 ± 4.9 | −22.8 |
E35A | 0.95 ± 0.03 | 92 ± 30 | −34.0 ± 1.4 | −81.5 ± 5.2 | −24.3 |
L36A | 1.22 ± 0.03 | 1500 ± 16 | −25.0 ± 0.6 | −57.3 ± 2.1 | −17.1 |
D37A | 0.98 ± 0.02 | 136 ± 20 | −34.0 ± 1.6 | −82.6 ± 5.7 | −24.6 |
F38A | 0.95 ± 0.00 | 107 ± 18 | −30.5 ± 0.4 | −70.3 ± 1.6 | −21.0 |
I39A | 1.16 ± 0.02 | 793 ± 84 | −31.0 ± 0.2 | −75.7 ± 0.7 | −22.6 |
E40A | 1.05 ± 0.04 | 384 + 21 | −31.1 ± 0.4 | −74.9 ± 1.1 | −22.3 |