PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1319204-6 1992 Perhaps the bound CO2 of histidine decarboxylase forms a carbamate by addition to Lys155 or to an amide group of the active site. Amides 98-103 histidine decarboxylase Homo sapiens 25-48