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. 2013 Nov;195(3):643–681. doi: 10.1534/genetics.113.153197

Table 5. Yeast snoRNAs with roles in pre-rRNA processing.

snoRNA Class Essential? Function
U3 Box C/D Yes Processing
U14 Box C/D Yes Processing and 2′-O-methylation
snR30 Box H/ACA Yes Processing
snR10 Box H/ACA No Processing and pseudouridylation
RNase MRP Unique Yes but not for processing Processing