DYR_NEIGO 162 Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis (By similarity). folA Dihydrofolate reductase MLKITIIAACAENLCIGAGNAMPWHIPEDFAFFKVYTLGKPVIMGRKTWESLPVKPLPGRRNIVISRQADYCAAGAETVASLEVALALCAGAEEAVIMGGAQIYGQAMPLATDLRITEVDLSVEGDAFFPEIDRTHWREAERTERRVSSKGVAYTFVHYLGK