| Strain | Pseudomonas protegens Pf-5 |
| GI | 70731221 |
| Locus Tag | PFL_3862 |
| Description | muconate cycloisomerase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431803089 |
| Locus Tag | B479_15785 |
| Description | muconate and chloromuconate cycloisomerase |
| Strain | Pseudomonas aeruginosa 2192 |
| GI | 254240940 |
| Locus Tag | PA2G_01620 |
| Description | muconate cycloisomerase I |