Predicted to enable protein heterodimerization activity and protein methyltransferase activity. Involved in peptidyl-glutamine methylation. Predicted to be located in nucleoplasm and perinuclear region of cytoplasm. Predicted to be part of protein-containing complex. Is expressed in several structures, including brain; gut; limb bud; lung; and sensory organ. Orthologous to human TRMT112 (tRNA methyltransferase activator subunit 11-2). [provided by Alliance of Genome Resources, Apr 2022]