PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2560462-7 1989 Inhibition by sodium azide and sodium benzoate indicated that these oxygen metabolites could be derived from the MPO-halide system but also from hydroxyl radical production. Hydroxyl Radical 145-161 myeloperoxidase Homo sapiens 113-116