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Small nucleolar RNA SNORD110

RNA family

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 7, 2026
Entity authorityQ7543294 ↗
Source-derived summary

In molecular biology, Small Nucleolar RNA SNORD110 (also known as HBII-55) is a non-coding RNA (ncRNA) molecule which functions in the biogenesis (modification) of other small nuclear RNAs (snRNAs). This type of modifying RNA is 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.

HBII-55 belongs to the C/D box class of snoRNAs which contain the C (UGAUGA) and D (CUGA) box motifs. Most of the members of the box C/D family function in directing site-specific 2′-O-methylation of substrate RNAs. HBII-55 is predicted to guide the 2′O-ribose methylation of 18S ribosomal RNA (rRNA) at residue U1288.

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“Small nucleolar RNA SNORD110” enters the record as rNA family. Crown Archives preserves that source wording while asking what Small, nucleolar and SNORD110 can confirm, complicate or overturn.

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This entry incorporates text from “Small nucleolar RNA SNORD110” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.