| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15595612 |
| Locus Tag | PA0415 |
| Description | probable chemotaxis protein |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386014257 |
| Locus Tag | PPUBIRD1_4774 |
| Description | chemotaxis protein CheW |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643434 |
| Locus Tag | HCH_00539 |
| Description | CheW-like domain-containing protein |