| Strain | Pseudomonas syringae pv. phaseolicola 1448A |
| GI | 71736304 |
| Locus Tag | PSPPH_4654 |
| Description | smtA protein |
| Strain | Pseudomonas stutzeri ATCC 17588 = LMG 11199 |
| GI | 339492963 |
| Locus Tag | PSTAB_0886 |
| Description | methyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83645046 |
| Locus Tag | HCH_02229 |
| Description | SAM-dependent methyltransferase |