| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71734054 |
| Locus Tag | PSPPH_4867 |
| Description | imidazolonepropionase |
| Strain | Pseudomonas putida S16 |
| GI | 339489754 |
| Locus Tag | PPS_4875 |
| Description | imidazolonepropionase |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898186 |
| Locus Tag | AvCA6_26160 |
| Description | imidazolonepropionase |