PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30205091-2 2018 Methadone undergoes N-demethylation by multiple cytochrome P450 (CYP) enzymes including CYP3A4, CYP2B6, CYP2C19, CYP2D6, CYP2C9, and CYP2C8. Methadone 0-9 cytochrome P450 family 2 subfamily C member 19 Homo sapiens 104-111