Table 2.

ITC data

	WT ICab3	ICab3 V115C	ICab3 H116C
n (sites)	0.997	1.16	NDa
KD (nm)	38.2 ± 5.7	4060 ± 591	ND
ΔH (kcal/mol)	−7.0 ± 0.07	−10.0 ± 0.45	ND
TΔS (kcal/mol)	3.1	−2.6	ND
ΔG (kcal/mol)	−10.1	−7.4	ND
Model	One set of sites	One set of sites	ND

^a ND, not determined.