Table 2. Steady-state catalytic activity for unmodified and sumoylated TDG.

Enzyme	Substrate	v o (nM·min−1)	k cat (min−1)	k max/kcat
TDG	G·fC	0.236 ± 0.011	(4.7 ± 0.3) × 10−3	359
TDG∼SUMO-1	G·fC	0.340 ± 0.036	(6.8 ± 0.7) × 10−3	12
TDG∼SUMO-2	G·fC	0.315 ± 0.022	(6.3 ± 0.5) × 10−3	12
TDG	G·caC	0.363 ± 0.023	(7.3 ± 0.5) × 10−3	68
TDG∼SUMO-1	G·caC	0.356 ± 0.040	(7.1 ± 0.8) × 10−3	10
TDG∼SUMO-2	G·caC	0.354 ± 0.037	(7.1 ± 0.8) × 10−3	10