| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596014 |
| Locus Tag | PA0817 |
| Description | probable ring-cleaving dioxygenase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339496214 |
| Locus Tag | PSTAB_4137 |
| Description | ring-cleaving dioxygenase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649423 |
| Locus Tag | HCH_06810 |
| Description | extradiol dioxygenase family protein |