| Strain | Pseudomonas aeruginosa PA7 |
| GI | 152986727 |
| Locus Tag | PSPA7_5442 |
| Description | two-component sensor CbrA |
| Strain | Pseudomonas fluorescens F113 |
| GI | 378952880 |
| Locus Tag | PSF113_4990 |
| Description | protein CbrA |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648896 |
| Locus Tag | HCH_06259 |
| Description | Na+/proline symporter |