| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15600049 |
| Locus Tag | PA4856 |
| Description | RetS (Regulator of Exopolysaccharide and Type III Secretion) |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327508 |
| Locus Tag | H681_21735 |
| Description | periplasmic sensor hybrid histidine kinase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70734166 |
| Locus Tag | PFL_0664 |
| Description | sensor histidine kinase/response regulator RetS |