PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8222045-3 1993 Many polycyclic aromatic hydrocarbons (PAH) such as benzo[a]pyrene, and chlorinated PAH such as polychlorinated dibenzodioxins, dibenzofurans and biphenyls induce CYP1A1 expression through activation of an endogenous protein, the Ah receptor. Benzo(a)pyrene 52-66 aryl hydrocarbon receptor Homo sapiens 230-241