| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77459993 |
| Locus Tag | Pfl01_3771 |
| Description | periplasmic sensor Signal transduction histidine kinase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431801853 |
| Locus Tag | B479_09545 |
| Description | integral membrane sensor signal transduction histidine kinase |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116050643 |
| Locus Tag | PA14_29740 |
| Description | two-component sensor |