PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29949370-7 2018 Both experimental results and DFT computations suggest that the presence of a planar conjugate bipyridyl unit or its isoquinoline derivative is a key feature for stabilizing low valent CoI species toward proton binding. isoquinoline 117-129 mitochondrially encoded cytochrome c oxidase I Homo sapiens 185-188