The enzyme trimethylamine-oxide aldolase (EC 4.1.2.32) catalyzes the chemical reaction trimethylamine N-oxide dimethylamine + formaldehyde This enzyme belongs to the family of lyases, specifically the aldehyde-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is trimethylamine-N-oxide formaldehyde-lyase (dimethylamine-forming). Other names in common use include trimethylamine N-oxide formaldehyde-lyase, trimethylamine N-oxide aldolase, trimethylamine N-oxide demethylase, and trimethylamine-N-oxide formaldehyde-lyase. This enzyme participates in .