| Strain | Pseudomonas fluorescens A506 |
| GI | 387895483 |
| Locus Tag | PflA506_4364 |
| Description | 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339495154 |
| Locus Tag | PSTAB_3077 |
| 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 |