Predicted to enable mRNA (adenine-N1-)-methyltransferase activity. Predicted to be involved in mRNA methylation and tRNA methylation. Predicted to act upstream of or within methylation and tRNA processing. Predicted to be part of tRNA (m1A) methyltransferase complex. Predicted to be active in nucleus. Orthologous to human TRMT61A (tRNA methyltransferase 61A). [provided by Alliance of Genome Resources, Apr 2022]