Small nucleolar RNA snR53

snoRNA snR53 is a non-coding RNA (ncRNA) molecule which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell which is a major site of snRNA biogenesis. It is known as a small nucleolar RNA (snoRNA) and also often referred to as a guide RNA. snoRNA snR53 belongs to the C/D box class of snoRNAs which contain the conserved sequence motifs known as the C box (UGAUGA) and the D box (CUGA). Most of the members of the box C/D family function in directing site-specific 2'-O-methylation of substrate RNAs.[1] snoRNA snR53 was initially discovered using a computational screen of the Saccharomyces cerevisiae genome.[2]

Small nucleolar RNA snR53
Predicted secondary structure and sequence conservation of snoR53
Identifiers
SymbolsnoR53
Alt. SymbolssnR53
RfamRF00338
Other data
RNA typeGene; snRNA; snoRNA; CD-box
Domain(s)Eukaryota
GO0006396 0005730
SO0000593
PDB structuresPDBe

References

  1. Galardi S, Fatica A, Bachi A, Scaloni A, Presutti C, Bozzoni I (October 2002). "Purified box C/D snoRNPs are able to reproduce site-specific 2'-O-methylation of target RNA in vitro". Molecular and Cellular Biology. 22 (19): 6663–8. doi:10.1128/MCB.22.19.6663-6668.2002. PMC 134041. PMID 12215523.
  2. Lowe TM, Eddy SR (February 1999). "A computational screen for methylation guide snoRNAs in yeast" (PDF). Science. 283 (5405): 1168–1171. Bibcode:1999Sci...283.1168L. doi:10.1126/science.283.5405.1168. PMID 10024243.
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