Table 2. TcUGM Reduction by NAD(P)H^a.

	k red, s−1	K d, µM	kred/Kd, µM−1 s−1
NADPH	0.60±0.006	98±3	0.0061±0.0001
NADH	0.085±0.0006	550±10	0.00015±0.000002

^aReactions were measured under anaerobic conditions at 15°C in 50 mM phosphate buffer pH 7.0.