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. 2016 Jun 7;171(4):2599–2619. doi: 10.1104/pp.16.00003

Table II. Steady-state kinetic parameters of purified ReCHSs with different starter units.

Results are means (n = 3) with sd values below 10% in all the cases.

Starter CoA ReCHS1
ReCHS2
Km Vmax Efficiency (Vmax/Km) Km Vmax Efficiency (Vmax/Km)
μm pmol min−1 mg−1 μm pmol min−1 mg−1
p-Coumaroyl-CoA 38.43 42 1.092 155.8 37.0 0.237
Acetyl-CoA 46.6 3.23 0.069 37.3 63.5 1.702
Butyryl-CoA 13.9 1.0 0.071 8.01 11.0 1.373
Hexanoyl-CoA 91.65 1.27 0.013 11.4 4.7 0.412
Octanoyl CoA 22.0 1.1 0.050 26.6 21.4 0.804