PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2862989-3 1985 In contrast the livers of rats fed an equimolar concentration of phenobarbital displayed increases in cytosolic glutathione transferase activities and enhancement of gamma-glutamyl transpeptidase activity but no changes in glutathione peroxidase activities. Phenobarbital 65-78 gamma-glutamyltransferase 1 Rattus norvegicus 166-195