Specifically methylates the N3 position of the uracil ring of uridine 1498 (m3U1498) in 16S rRNA. Acts on the fully assembled 30S ribosomal subunit (By similarity). 16S rRNA m3U1498 methyltransferase Ribosomal RNA small subunit methyltransferase E MHVFYSEERRGNLLILREGEVKHFRVRRIEKDEEFGVIHEGKIYVCKVRREDKREISCEIVEELETKLPPKDITLYQSVTVDLKTMDTIVRQATELGVLTFVPIISERSFQKEEAILKKTEKWKRIVIEAMKQSRRPIPMEIKKPVRLSDLIPESEENIILDNFYEGVKPKDVNLEAKTYSVVVGPEGGFSKRESQILREKGFKSVLLEPYTLRTETAVVSIVSILMNF 229 aq_165 RSME_AQUAE rsmE