3-Methyluridine

3-Methyluridine (N3-Methyluridine) is a modified RNA nucleoside. 3-Methyluridine is often presents as RNA modification which can be detected in 23S rRNA of archaea, 16S and 23S rRNA of eubacteria, and 18S, 25S, and 28S of eukaryotic ribosomal RNAs[1][2].