Table 2. Thermodynamic parameters of NADP binding to MATβ isoforms.

	NADP → MATβV2	NADP → MATβV1	NADP → MAT(α2)4(βV2)2
[]	500 µM → 30 µM	500 µM → 29.8 µM	155 µM→ 10.22 µM
K a (M −1)	(1.12 ± 0.13) × 105	(1.17 ± 0.22) × 105
K d (M)	(8.93 ± 1.07) × 10−6	(8.55 ± 1.6) × 10−6
ΔH	2784 ±117.4	1866 ± 127.8
N	0.85 ± 0.026	1.23 ± 0.060