PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31767173-3 2019 METHODS AND RESULTS: Here, we show that in the liver, the classical steroidogenic enzyme Cyp17a1 forms an essential nexus for glucose and ketone metabolism during feed-fast cycles. Ketones 138-144 cytochrome P450 family 17 subfamily A member 1 Homo sapiens 89-96