label: tRNA (adenine(58)-N1)-methyltransferase activity
label_lc: trna (adenine(58)-n1)-methyltransferase activity
description: "Catalysis of the reaction: adenosine(58) in tRNA + S-adenosyl-L-methionine = H+ + N(1)-methyladenosine(58) in tRNA + S-adenosyl-L-homocysteine."