TABLE 3.

Reduced coenzyme A-coupled assay determination of Erf2/Erf4 activity versus pH

pH	Vmax	Km	kcat	Kcat/Km
	pmol/min/μg	μm	min−1	min−1μm−1
5.7	45 ± 8	55 ± 11	0.66 ± 0.04	0.012
6.4	44 ± 11	58 ± 12	0.93 ± 0.08	0.016
6.8	48 ± 14	43 ± 8	1.42 ± 0.13	0.033
7.4	89 ± 11	23 ± 4	0.78 ± 0.06	0.034
7.9	88 ± 6	25 ± 4	1.43 ± 0.15	0.057
8.6	92 ± 5	15 ± 3	0.89 ± 0.10	0.059