PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
20808328-1	2010	BACKGROUND/OBJECTIVES: Methionine synthase catalyzes the conversion of 5-methyltetrahydrofolate to tetrahydrofolate and homocysteine (Hcy) to methionine using vitamin B(12) as a cofactor.	Niacinamide	159-168	5-methyltetrahydrofolate-homocysteine methyltransferase	Homo sapiens	23-42