| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116049409 |
| Locus Tag | PA14_45500 |
| Description | purine-binding chemotaxis protein |
| Strain | Pseudomonas entomophila L48 |
| GI | 104782792 |
| Locus Tag | PSEEN3787 |
| Description | purine-binding chemotaxis protein CheW |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647830 |
| Locus Tag | HCH_05161 |
| Description | chemotaxis signal transduction protein |