Table 3.
Thermodynamic Parameters of the Interactions of CRAC336WT with Sterolsa
KD (M) | ΔH (kJ/mol) | ΔS (kJ mol−1 K−1) | −TΔS (kJ/mol) | ΔG (kJ/mol) | |
---|---|---|---|---|---|
CRAC336WT and POPC | 3.81 × 10−3 | 32.58 | 0.155 | −46.8 | −14.2 |
CRAC336WT and Chol | 5.05 × 10−8 | 2.81 | 0.152 | −46.2 | −43.4 |
CRAC336WT and Desmo | 2.39 × 10−4 | 1.508 | 0.074 | −22.42 | −20.9 |
CRAC336WT and DHC | 2.53 × 10−7 | 2.66 | 0.135 | −40.91 | −38.3 |
CRAC336WT and CC | 6.86 × 10−2 | −0.80 | 0.019 | −5.76 | −4.96 |
The affinity and thermodynamic properties were obtained using the independent or two-site model, as described in Materials and Methods.