Table 2. Results of the in vitro PhzO activity assay.
| NAD(H) | NADP(H) | Co2+ | Mn2+ | Mg2+ | Fe3+ | PCA | 2-OH-PCA | 2-OH-PHZ | |
| 1 | − | − | − | − | − | − | + | ND | ND |
| 2 | − | + | − | − | − | − | + | ND | ND |
| 3 | − | + | + | − | − | − | + | ND | ND |
| 4 | − | + | − | + | − | − | + | ND | ND |
| 5 | − | + | − | − | + | − | + | ND | ND |
| 6 | − | + | − | − | − | + | + | D | D |
| 7 | + | − | − | − | − | − | + | ND | ND |
| 8 | + | − | + | − | − | − | + | ND | ND |
| 9 | + | − | − | + | − | − | + | ND | ND |
| 10 | + | − | − | − | + | − | + | ND | ND |
| 11 | + | − | − | − | − | + | + | ND | ND |
| 12 | − | − | − | − | − | − | − | ND | ND |
+ represents the addition of the specified metal ion, the final concentration of metal ion was 1 mM; the final concentration of PCA was 200 mg/L.
D, detectable.
ND, not detectable.