| Strain | Pseudomonas mendocina ymp |
| GI | 146307766 |
| Locus Tag | Pmen_2744 |
| Description | GTP cyclohydrolase I |
| Strain | Pseudomonas aeruginosa LESB58 |
| GI | 218892371 |
| Locus Tag | PALES_36531 |
| Description | GTP cyclohydrolase I |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643422 |
| Locus Tag | HCH_00527 |
| Description | GTP cyclohydrolase I |