| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596253 |
| Locus Tag | PA1056 |
| Description | probable NADH dehydrogenase |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324640 |
| Locus Tag | H681_07350 |
| Description | monovalent cation/H+ antiporter subunit D |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70729977 |
| Locus Tag | PFL_2609 |
| Description | monovalent cation/H+ antiporter subunit D |