Predicted to enable protein-lysine N-methyltransferase activity. Predicted to be involved in peptidyl-lysine trimethylation. Predicted to act upstream of or within methylation. Predicted to be active in cytosol. Is expressed in embryo. Orthologous to human METTL21EP (methyltransferase like 21E, pseudogene). [provided by Alliance of Genome Resources, Apr 2022]