| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596014 |
| Locus Tag | PA0817 |
| Description | probable ring-cleaving dioxygenase |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011985 |
| Locus Tag | PPUBIRD1_2429 |
| Description | Ring-cleaving dioxygenase, putative |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83649423 |
| Locus Tag | HCH_06810 |
| Description | extradiol dioxygenase family protein |