PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27488534-2 2016 We conducted a genome-wide association study (GWAS) of CYP2A6 activity, as measured by the urinary ratio of trans-3"-hydroxycotinine and its glucuronide conjugate over cotinine (total 3HCOT/COT), among 2,239 smokers in the Multiethnic Cohort (MEC) study. Glucuronides 141-152 cytochrome P450 family 2 subfamily A member 6 Homo sapiens 55-61