PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16950574-2 2007 Histamine N-methyltransferase (HNMT) is believed to be the sole pathway for termination of the neurotransmitter action of histamine in mammalian brain. Histamine 122-131 histamine N-methyltransferase Homo sapiens 0-29 16950574-2 2007 Histamine N-methyltransferase (HNMT) is believed to be the sole pathway for termination of the neurotransmitter action of histamine in mammalian brain. Histamine 122-131 histamine N-methyltransferase Homo sapiens 31-35