| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598998 |
| Locus Tag | PA3803 |
| Description | probable isoprenoid biosynthetic protein GcpE |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326937 |
| Locus Tag | H681_18880 |
| Description | 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732278 |
| Locus Tag | PFL_4954 |
| Description | 4-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase |