Table 1.

IIA^Glc binding to LacY

Temperature, °C (K)	Ka (/mol)	Kd (μM)	∆G (kJ/mol)	∆H (kJ/mol)	−T∆S (kJ/mol)	∆S (J/mol⋅K)
15 (288.15)	213,900	4.68	−29.41	28.06	−57.46	199.40
20 (293.15)	187,167 (30,739*)	5.71 (1.11)	−29.52 (0.45)	20.63 (1.02)	−50.15 (0.78)	171.1 (2.65)
25 (298.15)	173,433 (7,597)	5.79 (0.24)	−29.90 (0.11)	11.33 (0.10)	−41.23 (0.04)	138.27 (0.15)
30 (303.15)	215,400	4.64	−30.95	5.06	−36.01	118.80

Data are presented in Figs. 2 and 4.

^*SEM, number of tests, 2–4.