| Strain | Pseudomonas putida BIRD-1 |
| GI | 386014237 |
| Locus Tag | PPUBIRD1_4751 |
| Description | protein MetK |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327700 |
| Locus Tag | H681_22695 |
| Description | S-adenosylmethionine synthetase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644381 |
| Locus Tag | HCH_01533 |
| Description | S-adenosylmethionine synthetase |