PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6331321-7 1984 Catalase inhibited potently the oxidation of scavengers under all conditions, suggesting that H2O2 was the precursor of the hydroxyl radical in these systems. Hydroxyl Radical 124-140 catalase Rattus norvegicus 0-8