| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71733622 |
| Locus Tag | PSPPH_2100 |
| Description | 4-carboxymuconolactone decarboxylase |
| Strain | Pseudomonas putida GB-1 |
| GI | 167035426 |
| Locus Tag | PputGB1_4433 |
| Description | 4-carboxymuconolactone decarboxylase |
| Strain | Azotobacter vinelandii CA6 |
| GI | 482898524 |
| Locus Tag | AvCA6_38170 |
| Description | 4-carboxymuconolactone decarboxylase |