PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3676170-11 1986 The hepatic activity of another key folate-metabolizing enzyme, dihydrofolate reductase (EC 1.5.1.3), was not diminished by riboflavin deficiency in the present study. Folic Acid 36-42 dihydrofolate reductase Rattus norvegicus 64-87