| Strain | Pseudomonas mendocina ymp |
| GI | 146309510 |
| Locus Tag | Pmen_4496 |
| Description | ferric uptake regulator family protein |
| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392987223 |
| Locus Tag | PADK2_29235 |
| Description | transcriptional regulator np20 |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643432 |
| Locus Tag | HCH_00537 |
| Description | Fe2+/Zn2+ uptake regulation protein |