PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10029554-0 1999 8-Nitro-2"-deoxyguanosine, a specific marker of oxidation by reactive nitrogen species, is generated by the myeloperoxidase-hydrogen peroxide-nitrite system of activated human phagocytes. Nitrites 142-149 myeloperoxidase Homo sapiens 108-123