PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23165737-0 2013 Bipyridine and phenanthroline IR-spectral bands as indicators of metal spin state in hexacoordinated complexes of Fe(II), Ni(II) and Co(II). Metals 65-70 mitochondrially encoded cytochrome c oxidase II Homo sapiens 133-139