23S rRNA (adenine2503-C2)-methyltransferase (, RlmN, YfgB, Cfr) is an enzyme with systematic name S-adenosyl-L-methionine:23S rRNA (adenine2503-C2)-methyltransferase. This enzyme catalyses the following chemical reaction

2 S-adenosyl-L-methionine + adenine2503 in 23S rRNA S-adenosyl-L-homocysteine + L-methionine + 5'-deoxyadenosine + 2-methyladenine2503 in 23S rRNA

23S rRNA (adenine2503-C2)-methyltransferase contains an [4Fe-4S] cluster.

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