PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24039968-2 2013 Nonetheless, until this moment, few studies addressed the relationship between different types of impulsivity and the single nucleotide polymorphism caused by a substitution of valine (val) with methionine (met) in the 158 codon of the Catechol-o-Methyltransferase gene (COMT-val158met). Methionine 195-205 catechol-O-methyltransferase Homo sapiens 271-275 24039968-2 2013 Nonetheless, until this moment, few studies addressed the relationship between different types of impulsivity and the single nucleotide polymorphism caused by a substitution of valine (val) with methionine (met) in the 158 codon of the Catechol-o-Methyltransferase gene (COMT-val158met). Methionine 195-198 catechol-O-methyltransferase Homo sapiens 271-275