PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11328670-12 2001 Tyrosine nitration and inactivation of MnSOD would lead to increased levels of superoxide and concomitant increases in ONOO- within the mitochondria which, could lead to tyrosine nitration/oxidation of key mitochondrial proteins and ultimately mitochondrial dysfunction and cell death. onoo 119-123 superoxide dismutase 2 Homo sapiens 39-44