| Strain | Pseudomonas protegens Pf-5 |
| GI | 70731705 |
| Locus Tag | PFL_4355 |
| Description | GTP cyclohydrolase I |
| Strain | Pseudomonas mendocina ymp |
| GI | 146307766 |
| Locus Tag | Pmen_2744 |
| Description | GTP cyclohydrolase I |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643422 |
| Locus Tag | HCH_00527 |
| Description | GTP cyclohydrolase I |