Small Nucleolar RNA
Small nucleolar RNAs (snoRNAs) are a class of small RNA molecules that primarily guide chemical modifications of other RNAs, mainly ribosomal RNAs, transfer RNAs and small nuclear RNAs. There are two main classes of snoRNA, the C/D box snoRNAs which are associated with methylation, and the H/ACA box snoRNAs which are associated with pseudouridylation. SnoRNAs are commonly referred to as guide RNAs but should not be confused with the guide RNAs that direct RNA editing in trypanosomes.
Read more about Small Nucleolar RNA: SnoRNA Guided Modifications, SnoRNA Guide Families, Target Modifications, Genomic Organisation, Other Functions of SnoRNA
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