| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600593 |
| Locus Tag | PA5400 |
| Description | probable electron transfer flavoprotein alpha subunit |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472328060 |
| Locus Tag | H681_24495 |
| Description | electron transfer flavoprotein subunit alpha |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 346643285 |
| Locus Tag | PFL_5738 |
| Description | electron transfer flavoprotein subunit alpha |