Predicted to enable tRNA (guanine-N1-)-methyltransferase activity and tRNA binding activity. Predicted to be involved in tRNA N1-guanine methylation. Predicted to act upstream of or within methylation. Predicted to be located in cytosol. Predicted to be active in nucleoplasm. Orthologous to human TRMT10B (tRNA methyltransferase 10B). [provided by Alliance of Genome Resources, Apr 2022]