PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25706679-2 2015 The synthesized Schiff bases were used for complexation with different metal ions like Co(II), Ni(II) and Cu(II) by using a molar ratio of ligand: metal as 2:1. Metals 71-76 mitochondrially encoded cytochrome c oxidase II Homo sapiens 87-93 25706679-2 2015 The synthesized Schiff bases were used for complexation with different metal ions like Co(II), Ni(II) and Cu(II) by using a molar ratio of ligand: metal as 2:1. Metals 147-152 mitochondrially encoded cytochrome c oxidase II Homo sapiens 87-93