PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18556719-1 2008 Aprepitant (AP) is a known inhibitor of cytochrome P450 3A4 which may affect tacrolimus metabolism. Tacrolimus 77-87 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 40-59