PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25035343-4 2014 APPROACH AND RESULTS: We examined COMT polymorphism rs4680 (MAF [minor allele frequency], 0.47), encoding a nonsynonymous methionine-to-valine substitution, in the Women"s Genome Health Study (WGHS), a large population-based cohort of women with randomized allocation to aspirin or vitamin E when compared with placebo and 10-year follow-up. Methionine 122-132 catechol-O-methyltransferase Homo sapiens 34-38