TABLE 2.
Substrate specificity of PhnA dioxygenase
| Substrate | Producta | Conversion rate (%) |
|---|---|---|
| Phenanthrene | 3,4-Dihydrophenanthrene-3,4-diol (1) | 33 |
| Anthracene | NDb | |
| Naphthalene | 1,2-Dihydronaphthalene-1,2-diol (2) | 71 |
| 1-Methylnaphthalene | 8-Methyl-1,2-dihydronaphthalene-1,2-diol (3) | 93 |
| 2-Methylnaphthalene | 7-Methyl-1,2-dihydronaphthalene-1,2-diol (4) | 56 |
| Dibenzofuran | 2-Hydroxydibenzofuran (5) | 57 |
| Dibenzothiophene | 2-Hydroxydibenzothiophene (6) | 21 |
| Pyrene | ND | |
| Benzo[a]pyrene | ND | |
| Toluene | ND | |
| Biphenyl | o-Biphenylol (2-phenylphenol) (7) | 12 |
| m-biphenylol (3-phenylphenol) (8) | 4 | |
| Diphenylmethane | 2-Benzylphenol (9) | 14 |
| 2-Phenylbenzoxazole | ND |
a
The numbers in parentheses corresponds to the numbers in Fig. 4.
b
ND, no product detected.