Table 1. A comparison of the kinetics parameters of mammalian e-GSTsa.

	Km		kcat (/s)
	GSH (mM)	CDNB (mM)
Homo sapiens	0.11±0.01	1.0±0.1	79±5
Bos taurus	0.12±0.02	0.8±0.2	83±7
Capra hircus	0.14±0.02	0.9±0.1	85±6
Ovis aries	0.10±0.01	0.8±0.2	77±8
Equus caballus	0.10±0.02	0.8±0.2	82±6
Sus scrofa	0.10±0.02	0.9±0.1	75±7

^aData shown are the mean±S.E.M. from three distinct experiments.