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HUGO Gene Nomenclature Committee
HGNC Approved SymbolHGNC Approved Name
SNORD4Bsmall nucleolar RNA, C/D box 4B
snoid : SR0000376
Length : 74
Abstract : Homo sapiens C/D box snoRNA Z17B. This snoRNA is a close paralogue of mgh18S-121 (Z17A) and is predicted to guide the 2'O-ribose methylation of 18S rRNA U121. This methylation site was mapped by Maden (1990). Its sequence was submitted to GenBank by Zhou,H. and Qu,L.H. (AJ224025). A close paralogue, mgh18S-121 (Z17A), as well as the C/D box snoRNAs U42A and U42B, reside in the same host gene (RPL23A).
GenBank accession number : AJ224025
Host gene : RPL23A (ribosomal protein L23A)
Click here to see the position on the UCSC Genome Browser
Target RNA : 18S rRNA U121
sno/scaRNAs with same target 18S rRNA U121 : mgh18S-121   
References :
- Maden, B. E. (1990). The numerous modified nucleotides in eukaryotic ribosomal RNA. Prog Nucleic Acid Res Mol Biol, 39, 241-303.
Sequence :
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