PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2868723-1	1986	Exposure of sheep to 36% nitrous oxide for 8 days (2-hr per day) led to 90%, 82% and 74% inhibition of 5-methyltetrahydrofolate-homocysteine methyltransferase in the liver, heart and brain, respectively, while there was no significant decrease in the activity of methylmalonyl-CoA mutase.	Nitrous Oxide	25-38	methionine synthase	Ovis aries	103-158