PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33863099-2 1998 Mitochondrial and peroxisomal isoforms of SOD could be distinguished in nondenaturing polyacrylamide gels by their differential sensitivities to KCN and/or H2 O2 . Hydrogen Peroxide 156-161 superoxide dismutase [Mn], mitochondrial Cucumis sativus 42-45