| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600553 |
| Locus Tag | PA5360 |
| Description | two-component response regulator PhoB |
| Strain | Pseudomonas stutzeri DSM 10701 |
| GI | 397688600 |
| Locus Tag | PSJM300_17530 |
| Description | DNA-binding response regulator PhoB |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643658 |
| Locus Tag | HCH_00771 |
| Description | phosphate regulon transcriptional regulatory protein phoB |