| Strain | Pseudomonas fluorescens F113 |
| GI | 378949524 |
| Locus Tag | PSF113_1593 |
| Description | chemotaxis protein CheW |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472324990 |
| Locus Tag | H681_09110 |
| Description | CheW domain-containing protein |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647831 |
| Locus Tag | HCH_05162 |
| Description | CheW-like domain-containing protein |