| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598467 |
| Locus Tag | PA3271 |
| Description | probable two-component sensor |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326680 |
| Locus Tag | H681_17590 |
| Description | putative two-component sensor |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70731759 |
| Locus Tag | PFL_4413 |
| Description | sensory box histidine kinase/response regulator |