| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152984341 |
| Locus Tag | PSPA7_3598 |
| Description | GTP cyclohydrolase I |
| Strain | Pseudomonas fluorescens F113 |
| GI | 378952229 |
| Locus Tag | PSF113_4326 |
| Description | protein FolE2 |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643422 |
| Locus Tag | HCH_00527 |
| Description | GTP cyclohydrolase I |