TABLE 2.

Steady state kinetic parameters for QNS protein with different starter units

Results are means (n = 3) with S.E. values < 15%. ND, not determined.

Starter CoAs	kcat	Km	kcat/Km
	min−1	μm	s−1 m−1
Butryl-CoA	ND	ND	ND
Isovaleryl-CoA	1.8	7.9	3797.47
Hexanoyl-CoA	2.53	4.2	10,039.68
Benzoyl-CoA	0.5	10.25	813.01
Cinnamoyl-CoA	2.9	5.2	9294.87
Feruloyl-CoA	1.12	9.14	2042.30
p-Coumaroyl-CoA	0.23	3.62	1058.93
N-Methylanthraniloyl- CoA	3.78	2.93	21,501.71