PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15753084-12 2005 The results substantiate the hypothesis that intramitochondrial arginase, presumably the arginase-II isozyme, may play an important role in the regulation of hepatic ureagenesis by furnishing ornithine for net synthesis of N-acetylglutamate, citrulline, and aspartate. Ornithine 192-201 arginase 2 Rattus norvegicus 89-100