| Strain | Pseudomonas fluorescens F113 |
| GI | 378953381 |
| Locus Tag | PSF113_5502 |
| Description | protein MetF |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472327719 |
| Locus Tag | H681_22790 |
| Description | 5,10-methylenetetrahydrofolate reductase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644379 |
| Locus Tag | HCH_01531 |
| Description | 5,10-methylenetetrahydrofolate reductase |