PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1602376-10 1992 In the responsive murine fibroblasts and the glioma cells, the homocysteine export rate varied inversely to the changes in methionine synthase activity induced by nitrous oxide exposure at different concentrations of folate in the medium. Folic Acid 217-223 5-methyltetrahydrofolate-homocysteine methyltransferase Mus musculus 123-142