| Strain | Pseudomonas protegens Pf-5 |
| GI | 70733111 |
| Locus Tag | PFL_5826 |
| Description | type IV pilus response regulator PilH |
| Strain | Pseudomonas stutzeri RCH2 |
| GI | 431925505 |
| Locus Tag | Psest_0298 |
| Description | response regulator with CheY-like receiver domain and winged-helix DNA-binding domain |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643440 |
| Locus Tag | HCH_00545 |
| Description | CheY-like receiver protein |