Table 1. Kinetic parameters of PGDH isozymes.

Enzyme name	kcat (s−1)	$K_m^{\mathrm{app}}$ (mM)		kcat/$K_m^{\mathrm{app}}$ (M−1·s−1)
		3-PGA	NAD+	3-PGA (×104)	NAD+ (×104)
OsPGDH1	16.5 ± 0.2	0.175 ± 0.016	0.062 ± 0.007	9.4 ± 0.8	2.67 ± 0.30
OsPGDH2	30.7 ± 0.4	1.212 ± 0.053	0.348 ± 0.025	2.53 ± 0.11	0.88 ± 0.064
OsPGDH3	24.9 ± 0.3	0.519 ± 0.033	0.234 ± 0.029	4.80 ± 0.31	1.06 ± 0.13
AmtriPGDH1	20.4 ± 0.4	0.815 ± 0.070	0.245 ± 0.021	2.51 ± 0.22	0.83 ± 0.07
AmtriPGDH2	0.88 ± 0.03	3.186 ± 0.327	0.313 ± 0.038	0.0276 ± 0.0029	0.028 ± 0.003
PpPGDH1	12.1 ± 1.4	1.550 ± 0.566	0.237 ± 0.038	0.78 ± 0.30	0.51 ± 0.10
PpPGDH2	57.6 ± 2.8	5.971 ± 0.603	1.677 ± 0.068	0.96 ± 0.10	0.34 ± 0.02
PpPGDH3	56.4 ± 2.8	7.533 ± 0.661	1.156 ± 0.098	0.74 ± 0.07	0.48 ± 0.04
PpPGDH4	81.9 ± 2.8	4.392 ± 0.350	0.952 ± 0.054	1.86 ± 0.16	0.86 ± 0.05

The values were calculated from Figure 2 and are presented with the standard errors (n = 4, except OsPGDH1 (n = 3)).