tRNA (adenine(57)-N1)/(adenine(58)-N1)-methyltransferase activity
trna (adenine(57)-n1)/(adenine(58)-n1)-methyltransferase activity
tRNA (adenine(57)-N(1))/(adenine(58)-N(1))-methyltransferase activity
trna (adenine(57)-n(1))/(adenine(58)-n(1))-methyltransferase activity