| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598307 |
| Locus Tag | PA3111 |
| Description | folylpolyglutamate synthetase |
| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71737843 |
| Locus Tag | PSPPH_1659 |
| Description | bifunctional folylpolyglutamate synthase/dihydrofolate synthase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645236 |
| Locus Tag | HCH_02439 |
| Description | folylpolyglutamate synthase |