PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11895450-1 2002 Histidine ammonia-lyase (EC 4.3.1.3) catalyzes the nonoxidative elimination of the alpha-amino group of histidine using a 4-methylidene-imidazole-5-one (MIO), which is formed autocatalytically from the internal peptide segment 142Ala-Ser-Gly. Histidine 104-113 histidine ammonia-lyase Homo sapiens 0-23