PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8832430-5 1996 The conversion of digoxigenin, digitoxigenin and their digitoxosides is accelerated by Cu(II) acetate or Co(II) nitrate in H2SO4. sulfuric acid 123-128 mitochondrially encoded cytochrome c oxidase II Homo sapiens 105-111