PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
959312-4	1976	Results showed that both alkaloids use COMT enzymes for methylation and can also act as competitive inhibitors of COMT and MAO activity.	Alkaloids	25-34	monoamine oxidase A	Rattus norvegicus	123-126	
15120460-0	2004	Inhibition of MAO A and B by some plant-derived alkaloids, phenols and anthraquinones.	Alkaloids	48-57	monoamine oxidase A	Rattus norvegicus	14-19	
14989176-0	2003	[Inhibition of liver mitochondrial monoamine oxidase activity by alkaloids isolated from Chelidonium and Macleaya and by their derivative drugs].	Alkaloids	65-74	monoamine oxidase A	Rattus norvegicus	35-52