| Strain | Pseudomonas entomophila L48 |
| GI | 104784013 |
| Locus Tag | PSEEN5097 |
| Description | urocanate hydratase |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254244019 |
| Locus Tag | PA2G_04852 |
| Description | urocanase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83646868 |
| Locus Tag | HCH_04171 |
| Description | urocanate hydratase |