Table 1. Thermodynamics of Ligand Binding to Gal3C.

ligand	Kd (μM)	ΔG° (kJ/mol)	ΔH° (kJ/mol)	−TΔS° (kJ/mol)a
lactose	231 ± 15	−21.0 ± 0.2	−50.6 ± 1.4	30 ± 1
L2	18.2 ± 0.2	−27.3 ± 0.1	−49.3 ± 0.8	22.0 ± 0.8
L3	3.3 ± 0.1	−31.6 ± 0.1	−57.7 ± 0.5	26.1 ± 0.5

^aT = 301 K.