adenosine(22) in tRNA + S-adenosyl-L-methionine = N(1)-methyladenosine(22) in tRNA + S-adenosyl-L-homocysteine + H(+)
adenosine(22) in trna + s-adenosyl-l-methionine = n(1)-methyladenosine(22) in trna + s-adenosyl-l-homocysteine + h(+)
"tRNA (adenine(22)-N(1))-methyltransferase"
"trna (adenine(22)-n(1))-methyltransferase"