| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116054100 |
| Locus Tag | PA14_04860 |
| Description | methyltransferase |
| Strain | Pseudomonas putida BIRD-1 |
| GI | 386014384 |
| Locus Tag | PPUBIRD1_4904 |
| Description | Putative methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83643464 |
| Locus Tag | HCH_00571 |
| Description | N6-adenine-specific methylase |