Probable methyltransferase. Interacts with Psn. Widely expressed. Expressed in ovaries, head, thorax and abdomen of adult flies, and in the CNS of third instar larvae. Isoform 2 is predominantly expressed in larvae and in adult tissues that have been tested. Expressed throughout embryogenesis, as well as in larvae and adults. Belongs to the methyltransferase superfamily. METL family.