| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599249 |
| Locus Tag | PA4054 |
| Description | GTP cyclohydrolase II / 3,4-dihydroxy-2-butanone 4-phosphate synthase |
| Strain | Pseudomonas protegens CHA0 |
| GI | 501682888 |
| Locus Tag | PFLCHA0_c54720 |
| Description | 3,4-dihydroxy-2-butanone 4-phosphate synthase RibB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648596 |
| Locus Tag | HCH_05955 |
| Description | 3,4-dihydroxy-2-butanone 4-phosphate synthase |