| Strain | Pseudomonas syringae pv. syringae B728a |
| GI | 66044496 |
| Locus Tag | Psyr_1248 |
| Description | 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431926421 |
| Locus Tag | Psest_1262 |
| Description | 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647150 |
| Locus Tag | HCH_04456 |
| Description | 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase |