Table 4.

GdnHCl m-values for ΔG°′_Im, k₁ and k₋₂ for imidazole binding to Cytc at I = 1.25 M, pH 7 and 25 °C.

Protein	mIm (kcal mol−1 M−1)	$m_{k_1}$ (kcal mol−1 M−1)	$m_{k_{-2}}$ (kcal mol−1 M−1)
Horse heart Cytc	0.42 ± 0.02	0.08 ± 0.67	0.34 ± 0.03
K72A/K73A/K79A iso-1-Cytc	0.68 ± 0.06	0.2 ± 1.3	0.65 ± 0.64