PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3011897-2 1986 The toxin activity of pneumolysin, as determined by lysis of 51Cr-labeled human erythrocytes, was destroyed on exposure to the neutrophil enzyme myeloperoxidase, hydrogen peroxide, and a halide (chloride or iodide). Chlorides 195-203 myeloperoxidase Homo sapiens 145-160