PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11833714-2 2001 Coptisine showed an inhibitory effect on MAO-A activity in a concentration-dependent manner using a substrate kynuramine, but coptisine did not inhibit MAO-B activity. Kynuramine 110-120 monoamine oxidase A Mus musculus 41-46 11833714-5 2001 Coptisine competitively inhibited MAO-A activity with kynuramine. Kynuramine 54-64 monoamine oxidase A Mus musculus 34-39