PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 26163785-1 2015 Mononuclear transition metal complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) with a new hydrazone ligand derived from pyrazine-2-carbohydrazide and 2-hydroxyacetophenone have been synthesized. Metals 23-28 mitochondrially encoded cytochrome c oxidase II Homo sapiens 50-56