PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12670934-1 2003 Vitamins B12, B6, and folic acid converge at the homocysteine metabolic junction where they support the activities of two key enzymes involved in intracellular homocysteine management, methionine synthase (MS) and cystathionine beta-synthase. Folic Acid 22-32 cystathionine beta-synthase Homo sapiens 214-241