PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21514354-2 2011 Phosphororthioate OPs like chlorpyrifos and parathion are directly activated and detoxified by various cytochrome P450s (CYPs), with the primary CYPs involved being CYP2B6 and CYP2C19. OPS 18-21 cytochrome P450 family 2 subfamily C member 19 Homo sapiens 176-183