| P00374 | DYR_HUMAN | Homo sapiens (Human) | DHFR | Detail |
| P0CY93 | FPRA_RHOCA | Rhodobacter capsulatus (Rhodopseudomonas capsulata) | fprA | Detail |
| P16184 | DYR_PNECA | Pneumocystis carinii | | Detail |
| P99079 | DYR_STAAN | Staphylococcus aureus (strain N315) | folA SA1259 | Detail |
| W7LC91 | FUM15_GIBM7 | Gibberella moniliformis (strain M3125 / FGSC 7600) (Maize ear and stalk rot fungus) (Fusarium verticillioides) | FUM15 FVEG_14636 | Detail |
| P31073 | DYR_CITFR | Citrobacter freundii | folA | Detail |
| W7MLD1 | FUS8_GIBM7 | Gibberella moniliformis (strain M3125 / FGSC 7600) (Maize ear and stalk rot fungus) (Fusarium verticillioides) | FUS8 FVEG_11079 | Detail |
| O27404 | FPAA_METTH | Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum) | fpaA fprA MTH_1350 | Detail |
| Q0CCX5 | GEDK_ASPTN | Aspergillus terreus (strain NIH 2624 / FGSC A1156) | gedK ATEG_08459 | Detail |
| Q93341 | DYR_CAEEL | Caenorhabditis elegans | dhfr-1 C36B1.7 | Detail |