| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392982997 |
| Locus Tag | PADK2_07945 |
| Description | 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 |