| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71736157 |
| Locus Tag | PSPPH_2098 |
| Description | 4-hydroxybenzoate transporter |
| Strain | Pseudomonas brassicacearum subsp. brassicacearum NFM421 |
| GI | 330807986 |
| Locus Tag | PSEBR_a1264 |
| Description | 4-hydroxybenzoate transporter |
| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152985113 |
| Locus Tag | PSPA7_0321 |
| Description | 4-hydroxybenzoate transporter PcaK |