PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12797467-1 2003 Myeloperoxidase (MPO) catalyzes a nitration reaction to form nitrotyrosine in the presence of high nitrite, the metabolite of NO. Nitrites 99-106 myeloperoxidase Homo sapiens 0-15 12797467-1 2003 Myeloperoxidase (MPO) catalyzes a nitration reaction to form nitrotyrosine in the presence of high nitrite, the metabolite of NO. Nitrites 99-106 myeloperoxidase Homo sapiens 17-20 12797467-2 2003 Human leukocyte was shown to cause phenolic nitration using released MPO as a catalyst in the presence of nitrite. Nitrites 106-113 myeloperoxidase Homo sapiens 69-72 12797467-10 2003 We conclude that MPO may act predominantly to scavenge nitrotyrosine under physiological nitrite condition, and protect against injurious effect of nitrotyrosine. Nitrites 89-96 myeloperoxidase Homo sapiens 17-20