PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11549275-1 2001 Histamine N-methyltransferase (HNMT) catalyzes the N-methylation of histamine in mammals. Histamine 68-77 histamine N-methyltransferase Homo sapiens 0-29 11549275-1 2001 Histamine N-methyltransferase (HNMT) catalyzes the N-methylation of histamine in mammals. Histamine 68-77 histamine N-methyltransferase Homo sapiens 31-35