Small nucleolar RNA SNORA75
In molecular biology, U23 belongs to the H/ACA class of snoRNAs. snoRNAs bind a number of proteins (including dyskerin, Gar1p and Nop10p in the case of the H/ACA class) to form snoRNP complexes. This class are thought to guide the sites of modification of uridines to pseudouridines by forming direct base pairing interactions with substrate RNAs.[1] Targets include ribosomal and spliceosomal RNAs as well as the Trypanosoma spliced leader RNA (SL RNA) as possibly other, still unknown cellular RNAs.[1] U23 can direct the pseudouridylation of U97 in human 18S rRNA. U23 is encoded within intron 12 of the nucleolin gene in human, mouse, rat chicken, and Xenopus laevis.
| Small nucleolar RNA SNORA75 | |
|---|---|
 Predicted secondary structure and sequence conservation of SNORA75 | |
| Identifiers | |
| Symbol | SNORA75 |
| Alt. Symbols | U23 |
| Rfam | RF00072 |
| Other data | |
| RNA type | Gene; snRNA; snoRNA; H/ACA-box |
| Domain(s) | Eukaryota |
| GO | GO:0006396 GO:0005730 |
| SO | SO:0000594 |
| PDB structures | PDBe |
References
- Kiss T (April 2002). "Small nucleolar RNAs: an abundant group of noncoding RNAs with diverse cellular functions". Cell. 109 (2): 145–8. doi:10.1016/S0092-8674(02)00718-3. PMID 12007400. S2CID 8968788.
Further reading
- Ganot P, Caizergues-Ferrer M, Kiss T (April 1997). "The family of box ACA small nucleolar RNAs is defined by an evolutionarily conserved secondary structure and ubiquitous sequence elements essential for RNA accumulation". Genes & Development. 11 (7): 941–56. doi:10.1101/gad.11.7.941. PMID 9106664.
- Bachellerie JP, Cavaillé J, Hüttenhofer A (August 2002). "The expanding snoRNA world". Biochimie. 84 (8): 775–90. doi:10.1016/S0300-9084(02)01402-5. PMID 12457565.
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