Reaction catalyzed by 23S rRNA (adenine2503-C2)-methyltransferase (2.1.1.192)
2
+
adenine2503 in 23S rRNA
+
2
=
+
+
+
2-methyladenine2503 in 23S rRNA
+
2
oxidized [4Fe-4S] ferredoxin
2 S-adenosyl-L-methionine
+
adenine2503 in 23S rRNA
+
2 reduced [4Fe-4S] ferredoxin
=
S-adenosyl-L-homocysteine
+
L-methionine
+
5'-deoxyadenosine
+
2-methyladenine2503 in 23S rRNA
+
2 oxidized [4Fe-4S] ferredoxin
