Notable Stabilization of α-Chymotrypsin by the Protic Ionic Additive, [ch][dhp]: Calorimetric Evidence for a Fine Enthalpy/Entropy Balance

Table 1

Thermodynamic parameters for the thermal unfolding of the -CT in the presence of different chdhp concentrations phosphate buffer, pH 4.2.

chdhp, mol/L	chdhp, % (w/w)	, °C; (K)	, kJ mol^−1	, kJ mol^−1 K^−1
0	0	62.8 (335.8)	690	2.06
0.5	12.5	65.8 (338.8)	560	1.70
1	25	67.7 (340.7)	517	1.52
2	50	72.1 (345.1)	520	1.51
3	75	76.0 (349.0)	535	1.53