| Strain | Pseudomonas syringae pv. tomato str. DC3000 |
| GI | 28868897 |
| Locus Tag | PSPTO_1691 |
| Description | sensor histidine kinase/response regulator GacS |
| Strain | Pseudomonas aeruginosa DK2 |
| GI | 392985595 |
| Locus Tag | PADK2_21065 |
| Description | sensor/response regulator hybrid |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644635 |
| Locus Tag | HCH_01804 |
| Description | signal transduction histidine kinase |