PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23593229-1 2013 Methionine synthase (MTR), which plays a central role in maintaining adequate intracellular folate, methionine and normal homocysteine concentrations, was thought to be involved in the development of colorectal cancer (CRC) and colorectal adenoma (CRA) by affecting DNA methylation. Folic Acid 92-98 5-methyltetrahydrofolate-homocysteine methyltransferase Homo sapiens 0-19