| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598541 |
| Locus Tag | PA3345 |
| Description | Histidine phosphotransfer protein HptB |
| Strain | Pseudomonas fluorescens SBW25 |
| GI | 229591846 |
| Locus Tag | PFLU4431 |
| Description | hypothetical protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647852 |
| Locus Tag | HCH_05184 |
| Description | HPt domain-containing protein |