Table 2.

Dimerization energetics of WGA measured by IDC

A. At pH 3, as a function of temperature
T (°C)	KA (M−1 × 10−3)	ΔGA (kcal mol−1)	ΔHA (kcal mol−1)	TΔSA (kcal mol−1)
30	12.1 ± 0.2	−5.7	−3.4 ± 0.2	2.3
33	8.3 ± 0.5	−5.5	−5.8 ± 0.2	−0.3
35	7.3 ± 0.4	−5.5	−7.4 ± 0.4	−1.9
37	6.5 ± 0.3	−5.4	−9.6 ± 0.5	−4.2
40	6.2 ± 0.4	−5.4	−14.8 ± 0.2	−9.2
43	3.5 ± 0.7	−5.1	−23.6 ± 0.3	−18.5
46	0.8 ± 0.1	−4.3	−34.2 ± 3.1	−29.9
B. At 37°C, as a function of pH
pH	KA (M−1 × 10−3)	ΔGA (kcal mol−1)	ΔHA (kcal mol−1)	TΔSA (kcal mol−1)
3.0	6.5 ± 0.3	−5.4	−9.6 ± 0.5	−4.2
3.5	12.5 ± 1.6	−5.8	−2.7 ± 0.1	3.1
4.0	33.3 ± 0.9	−6.4	−1.9 ± 0.1	4.5
4.5	44.0 ± 1.7	−6.6	−0.9 ± 0.1	5.7