Table 2.

Thermodynamic parameters of binding of D2R peptide to NCS-1 in 20 mM Tris-HCl buffer (pH 8.0), 150 mM NaCl, 5 mM CaCl₂ in the presence or in the absence of 100 μM ZnCl₂.

	Ca2+	Ca2++Zn2+
N	0.676 ± 0.091	0.508 ± 0.102
KA, M-1	(3.320 ± 0.568) × 104	(11.800 ± 2.550) × 104
KD, M	30.12 × 10-6	8.47 × 10-6
ΔH, kcal M-1	-3.0 ± 0.5	-3.2 ± 0.8
ΔS, cal K-1 M-1	10.6	12.4
ΔG, kcal M-1	-6.2	-6.9