PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8314932-2 1993 Incubation of dopamine with monoamine oxidase B gave the same product which was identified as 3,4-dihydroxyphenylacetaldehyde. 3,4-dihydroxyphenylacetaldehyde 94-125 monoamine oxidase B Homo sapiens 28-47