adenosine(2142) in 25S rRNA + S-adenosyl-L-methionine = N(1)-methyladenosine(2142) in 25S rRNA + S-adenosyl-L-homocysteine + H(+)
adenosine(2142) in 25s rrna + s-adenosyl-l-methionine = n(1)-methyladenosine(2142) in 25s rrna + s-adenosyl-l-homocysteine + h(+)
"25S rRNA m(1)A(2142) methyltransferase"
"25s rrna m(1)a(2142) methyltransferase"