| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116050451 |
| Locus Tag | PA14_32240 |
| Description | catechol 1,2-dioxygenase |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386011628 |
| Locus Tag | PPUBIRD1_2053 |
| Description | CatA |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386012120 |
| Locus Tag | PPUBIRD1_2567 |
| Description | Catechol 1,2-dioxygenase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643083 |
| Locus Tag | HCH_00174 |
| Description | protocatechuate 3,4-dioxygenase subunit beta |