PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23153812-4 2012 The substituent on the alpha-carbon to the N1-hydrazine moiety (methyl or hydrogen) had a great influence on the activity and hMAO-B selectivity. Carbon 29-35 monoamine oxidase B Homo sapiens 126-132