label: tRNA (adenine(57)-N1)/(adenine(58)-N1)-methyltransferase activity
label_lc: trna (adenine(57)-n1)/(adenine(58)-n1)-methyltransferase activity
description: "Catalysis of the reaction: adenosine57/adenosine58 in tRNA + 2 S-adenosyl-L-methionine = 2 H+ + N1-methyladenosine57/N1-methyladenosine58 in tRNA + 2 S-adenosyl-L-homocysteine."