| Strain | Pseudomonas fluorescens Pf0-1 |
| GI | 77456839 |
| Locus Tag | Pfl01_0611 |
| Description | periplasmic sensor hybrid histidine kinase |
| Strain | Pseudomonas putida HB3267 |
| GI | 431804642 |
| Locus Tag | B479_23565 |
| Description | integral membrane sensor hybrid histidine kinase |
| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116053004 |
| Locus Tag | PA14_64230 |
| Description | RetS (regulator of exopolysaccharide and Type III secretion) |