| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15598544 |
| Locus Tag | PA3348 |
| Description | probable chemotaxis protein methyltransferase |
| Strain | Pseudomonas putida W619 |
| GI | 170722896 |
| Locus Tag | PputW619_3733 |
| Description | CheR-type MCP methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647405 |
| Locus Tag | HCH_04717 |
| Description | methylase of chemotaxis methyl-accepting protein |