| Strain | Pseudomonas mendocina NK-01 |
| GI | 330504797 |
| Locus Tag | MDS_3883 |
| Description | periplasmic binding protein |
| Strain | Pseudomonas aeruginosa RP73 |
| GI | 514411846 |
| Locus Tag | M062_24820 |
| Description | Heme-transporter, PhuT |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648115 |
| Locus Tag | HCH_05461 |
| Description | hemin ABC transporter periplasmic protein |