PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16905536-2 2006 The first is the oxidized state of enzyme isolated in the fast form (O) and the second is the form that is obtained immediately after oxidation of fully reduced CcO with O2 (OH). Oxygen 170-172 cytochrome c oxidase subunit 6A1, mitochondrial Bos taurus 161-164