PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25339443-1 2014 Coenzyme Q (CoQ) is an isoprenylated quinone that is essential for cellular respiration and is synthesized in mitochondria by the combined action of at least nine proteins (COQ1-9). quinone 37-44 decaprenyl diphosphate synthase subunit 1 Homo sapiens 173-179