| Strain | Pseudomonas fluorescens A506 |
| GI | 387894921 |
| Locus Tag | PflA506_3776 |
| Description | sensory box histidine kinase/response regulator |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326680 |
| Locus Tag | H681_17590 |
| Description | putative two-component sensor |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647745 |
| Locus Tag | HCH_05072 |
| Description | Na+/proline symporter |