| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599249 |
| Locus Tag | PA4054 |
| Description | GTP cyclohydrolase II / 3,4-dihydroxy-2-butanone 4-phosphate synthase |
| Strain | Pseudomonas resinovorans NBRC 106553 |
| GI | 512616329 |
| Locus Tag | PCA10_06760 |
| Description | 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II |
| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28867920 |
| Locus Tag | PSPTO_0692 |
| Description | bifunctional 3,4-dihydroxy-2-butanone 4-phosphate synthase/GTP cyclohydrolase II-like protein |