Table 2. Kinetic parameters for SaMTAN and EcMTAN.

	SaMTAN		EcMTAN
	MTA	SAH	MTA	SAH
Vmax (µmol min−1 mg−1)	(1.17 ± 0.03) × 10−2	(1.05 ± 0.04) × 10−2	0.61 ± 0.04	0.55 ± 0.06
Km (µM)	1.24 ± 0.14	2.52 ± 0.36	7.38 ± 1.16	5.30 ± 1.22
kcat (s−1)	(9.73 ± 0.24) × 10−3	(8.73 ± 0.36) × 10−3	0.49 ± 0.03	0.45 ± 0.05
kcat/Km (M−1 s−1)	(7.82 ± 0.89) × 103	(3.46 ± 0.51) × 103	(6.69 ± 1.15) × 104	(8.48 ± 2.13) × 104