| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218888898 |
| Locus Tag | PALES_01541 |
| Description | protocatechuate 3,4-dioxygenase, beta subunit |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512618755 |
| Locus Tag | PCA10_31020 |
| Description | protocatechuate 3,4-dioxygenase beta subunit |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28869536 |
| Locus Tag | PSPTO_2338 |
| Description | protocatechuate 3,4-dioxygenase subunit beta |