PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12167563-10 2002 Together these results indicate that mifepristone fails to orient itself in the CYP3A5 active site in such a way that its propylenic group is accessible for oxidation, thus rendering CYP3A5 unable to produce the C-hydroxylated product or putative ketene that leads to enzyme inactivation. ketene 247-253 cytochrome P450 family 3 subfamily A member 5 Homo sapiens 80-86