| Specific activity (103 U/g of protein)* | KM (mM)* | kcat (min−1)* | kcat/KM (min−1 M−1)* |
---|---|---|---|---|
Phytic acid assay | ||||
 AppA phytase | 1150 ± 138 | 0.83 ± 0.04 | 3.91 × 105 ± 0.51 × 105 | 3.47 × 108 ± 0.34 × 108 |
 ApV1 phytase | 1273 ± 238 | 0.82 ± 0.04 | 2.65 × 105 ± 0.37 × 105 | 3.23 × 108 ± 0.28 × 108 |
p-NPP assay | ||||
 AppA phytase | 1075 ± 40 | 10.63 ± 1.94 | 2.02 × 105 ± 0.64 × 105 | 1.57 × 107 ± 0.22 × 107 |
 ApV1 phytase | 987 ± 42 | 11.34 ± 0.48 | 2.45 × 105 ± 0.13 × 105 | 1.72 × 107 ± 0.86 × 107 |