rRNA (adenine(2503)-C2-)-methyltransferase activity
Catalysis of the reaction: adenosine2503 in 23S rRNA + 2 reduced [2Fe-2S]-[ferredoxin] + 2 S-adenosyl-L-methionine = 2-methyladenosine2503 in 23S rRNA + 5'-deoxyadenosine + L-methionine + 2 oxidized [2Fe-2S]-[ferredoxin] + S-adenosyl-L-homocysteine.
GO:0008169
C-methyltransferase activity
is_a
GO:0016433
rRNA (adenine) methyltransferase activity
is_a
rRNA (adenine-C2-)-methyltransferase activity
broad