| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71736144 |
| Locus Tag | PSPPH_2051 |
| Description | para-aminobenzoate synthase, component I |
| Strain | Pseudomonas entomophila L48 |
| GI | 104781042 |
| Locus Tag | PSEEN1897 |
| Description | para-aminodeoxychorismate synthase subunit I PabB |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898513 |
| Locus Tag | AvCA6_23160 |
| Description | para-aminobenzoate synthase, component I |