Predicted to enable tRNA (guanine-N2-)-methyltransferase activity. Predicted to be involved in tRNA N2-guanine methylation. Predicted to act upstream of or within methylation and tRNA processing. Predicted to be active in nucleus. Human ortholog(s) of this gene implicated in autosomal recessive non-syndromic intellectual disability. Orthologous to human TRMT1 (tRNA methyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]