In molecular biology, Small nucleolar RNA SNORA63 (E3) belongs to the H/ACA class of snoRNAs, is involved in the processing of eukaryotic pre-rRNA and has regions of complementarity to 18S rRNA.
SNORA63 (E3), a specific type of small nucleolar RNA in molecular biology, contributes to the maturation of eukaryotic ribosomal RNA and has complementary sequences to 18S ribosomal RNA.