PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30586624-7 2019 In contrast the increase in levels of 27OH is likely to be a consequence of reduced metabolism due to loss of the neuronal enzyme CYP7B1. 27-hydroxycholesterol 38-42 cytochrome P450 family 7 subfamily B member 1 Homo sapiens 130-136