16S rRNA (uracil<sup>1498</sup>-N<sup>3</sup>)-methyltransferase (, DUF558 protein, YggJ, RsmE, m3U1498 specific methyltransferase) is an enzyme with systematic name S-adenosyl-L-methionine:16S rRNA (uracil<sup>1498</sup>-N<sup>3</sup>)-methyltransferase. This enzyme catalyses the following chemical reaction
The enzyme specifically methylates uracil<sup>1498</sup> at N<sup>3</sup> in 16S rRNA.