| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053507 |
| Locus Tag | PA14_70750 |
| Description | two-component response regulator PhoB |
| Strain | Pseudomonas stutzeri CCUG 29243 |
| GI | 392422891 |
| Locus Tag | A458_19245 |
| Description | DNA-binding response regulator PhoB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643658 |
| Locus Tag | HCH_00771 |
| Description | phosphate regulon transcriptional regulatory protein phoB |