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Table 1 Binding parameters, number of binding sites and thermodynamic parameters of INH–SOD at four temperatures

From: The binding characteristics of isoniazid with copper–zinc superoxide dismutase and its effect on enzymatic activity

T(K)

KSV(L · mol-1)

KA(L · mol-1)

n

Δ G(kJ · mol-1)

Δ H(kJ · mol-1)

Δ S(J · mol-1 · K-1)

292

5.06 × 103

1.01 × 104

1.069

−22.38 (s = 1.69)

−105.70 (s = 9.54)

−284.66 (s = 18.50)

295

4.45 × 103

5.31 × 103

1.019

−21.04 (s = 1.73)

−286.31 (s = 15.67)

299

3.89 × 103

3.33 × 103

0.995

−20.16 (s = 1.54)

−285.42 (s = 19.92)

303

3.41 × 103

2.20 × 103

0.999

−19.36 (s = 1.26)

−284.29 (s = 19.31)