| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66048052 |
| Locus Tag | Psyr_4828 |
| Description | urocanate hydratase |
| Strain | Pseudomonas entomophila L48 |
| GI | 104784013 |
| Locus Tag | PSEEN5097 |
| Description | urocanate hydratase |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898187 |
| Locus Tag | AvCA6_26180 |
| Description | urocanate hydratase |