PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19007592-2 2008 BACKGROUND: Clopidogrel is activated by CYP3A4, which also metabolizes CCBs of the dihydropyridine class. 1,4-dihydropyridine 83-98 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 40-46