| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599900 |
| Locus Tag | PA4706 |
| Description | probable ATP-binding component of ABC transporter |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327344 |
| Locus Tag | H681_20915 |
| Description | hemin importer ATP-binding subunit |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732573 |
| Locus Tag | PFL_5264 |
| Description | hemin importer ATP-binding subunit |