TABLE 1.
Substrate and concn (μM) | Km (μM) | Vmax (U/mg of protein)a | kcat (min−1) | kcat/Km (μM·min−1) |
---|---|---|---|---|
Acetyl-CoA (1.48-188.6) | 6.18 ± 0.96 | 0.22 | 16.18 | 2.62 |
Butyryl-CoA (0.27-35.3) | 2.32 ± 0.12 | 0.59 | 42.90 | 18.49 |
Isobutyryl-CoA (0.025-1.6) | 0.32 ± 0.04 | 0.43 | 31.58 | 98 |
Malonyl-ACP (0.205-26.25) | 1.76 ± 0.40 |
One unit is defined as the formation of 1 pmol of product 3-ketoacyl-ACP per min.