Table 3. Kinetic activity parameters for point-mutated PC-binding-site residues in the C2-domain of cPLA2α*.
Protein | KsA (μM) | Vmax (nmol/min/mg) |
---|---|---|
WT-cPLA2α | 182.8 ± 12.5 | 4.053 ± 0.092 |
Y96F-cPLA2α | 205.8 ± 12.7 | 4.930 ± 0.111 |
Y96A-cPLA2α | 467.5 ± 31.6 | 3.438 ± 0.177 |
N65D-cPLA2α | 394.9 ± 29.8 | 3.203 ± 0.166 |
N64A-cPLA2α | 207.7 ± 9.63 | 4.328 ± 0.069 |
*Analyses for data shown in Figure 3E.