PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30486606-4 2018 Low antioxidant MnSOD level in breast cancer cell line MCF-7 leads to low concentration of hydrogenperoxide, because antioxidant MnSOD will convert radical superoxide to hydrogen peroxide. Superoxides 156-166 superoxide dismutase 2 Homo sapiens 16-21 30486606-4 2018 Low antioxidant MnSOD level in breast cancer cell line MCF-7 leads to low concentration of hydrogenperoxide, because antioxidant MnSOD will convert radical superoxide to hydrogen peroxide. Superoxides 156-166 superoxide dismutase 2 Homo sapiens 129-134