Drug Gene Type Source MBDB COMT Text_Mining(increases(methylation)) CTD MBDB COMT Text_Mining(decreases(reaction)) CTD MBDB CYP2D6 Text_Mining(decreases(methylation)) CTD MBDB CYP2D6 Text_Mining(increases(metabolic processing)) CTD MBDB CYP3A4 Text_Mining(decreases(methylation)) CTD MBDB CYP3A4 Text_Mining(increases(metabolic processing)) CTD