PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2022672-2 1991 This enzyme, activated during ischemia/reperfusion by proteolytic conversion of xanthine dehydrogenase, catalyzes the oxidation of xanthine, thereby generating free radicals and uric acid. Uric Acid 178-187 xanthine dehydrogenase Rattus norvegicus 80-102