| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71736157 |
| Locus Tag | PSPPH_2098 |
| Description | 4-hydroxybenzoate transporter |
| Strain | Pseudomonas entomophila L48 |
| GI | 104780371 |
| Locus Tag | PSEEN1162 |
| Description | 4-hydroxybenzoate transporter |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898531 |
| Locus Tag | AvCA6_02690 |
| Description | 4-hydroxybenzoate transporter PcaK |