PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32672945-8 2020 The superior catalytic activity was due to synergistic effect of metal oxides and O-g-C3N4, in which O-g-C3N4 could act as carrier and activator as well as electron mediator, to promote the conversion of Fe(III) to Fe(II) and Co(III) to Co(II). ammonium ferrous sulfate 215-221 mitochondrially encoded cytochrome c oxidase II Homo sapiens 237-243