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. 2013 May 6;8(5):e61918. doi: 10.1371/journal.pone.0061918

Table 2. Thermodynamics parameters of formation of binary complexes between MtSK and substrate(s) or product(s).

KD (µM) ΔH (kcal mol−1) ΔS (cal mol−1 K−1) ΔG (kcal mol−1) -TΔS (kcal mol−1)
SKH 283.15 K, Hepes 45 (±13) 0.66 (±0.04) 22.2 (±6.5) −5.6 (±1.6) −6.2 (±1.8)
SKH 298.15 K, Hepes 181 (±15) −4.6 (±0.2) 1.8 (±0.2) −5.1 (±0.4) −0.54 (±0.05)
SKH 313.15 K, Hepes 235 (±9) −8.9 (±0.1) −11.9 (±0.4) −5.2 (±0.2) 3.7 (±0.1)
SKH 298.15 K, Pipes 135 (±8) −3.5 (±0.1) 5.7 (±0.3) −5.2 (±0.3) −1.7 (±0.2)
SKH 298.15 K, Imidazole 396 (±47) −6.4 (±0.4) −6.0 (±0.7) −4.6 (±0.2) 1.8 (±0.1)
ATP 196 (±29) −5.1 (±0.3) −0.15 (±0.02) −5.1 (±0.8) 0.044 (±0.007)
ADP 562 (±20) −12.4 (±0.2) −27 (±1) −4.4 (±0.2) 7.9 (±0.2)

KD represents the equilibrium dissociation constant, ΔH is the binding enthalpy, ΔS is the binding entropy, ΔG is the Free Gibbs energy, and –TΔS is the negative term for temperature (in Kelvin) times binding entropy.