PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30609653-2 2019 Once GGCX is activated, vitamin K is found in the epoxide state, which is then recycled to quinone and hydroquinone states by vitamin K epoxide reductase (VKORC1). quinone 91-98 gamma-glutamyl carboxylase Homo sapiens 5-9