PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18274956-6 2008 Usnic acid was a relatively weak inhibitor of CYP2D6 and a potent inhibitor of CYP2C19 (the concentration eliciting 50% inhibition (IC(50)) = 9 nM) and CYP2C9 (IC(50) = 94 nM), with less potent inhibition of CYP2C8 (IC(50) = 1.9 microM) and CYP2C18 (IC(50) = 6.3 microM). usnic acid 0-10 cytochrome P450 family 2 subfamily C member 19 Homo sapiens 79-86