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・ Small nucleolar RNA SNORA77
・ Small nucleolar RNA SNORA79
・ Small nucleolar RNA SNORA8
・ Small nucleolar RNA SNORA9
・ Small nucleolar RNA SNORD100
・ Small nucleolar RNA SNORD101
・ Small nucleolar RNA SNORD102
・ Small nucleolar RNA SNORD103
・ Small nucleolar RNA SNORD105
・ Small nucleolar RNA SNORD110
・ Small nucleolar RNA SNORD111
・ Small nucleolar RNA SNORD113
・ Small nucleolar RNA SNORD115
・ Small nucleolar RNA SNORD116
・ Small nucleolar RNA SNORD14
Small nucleolar RNA SNORD15
・ Small nucleolar RNA SNORD16
・ Small nucleolar RNA SNORD17
・ Small nucleolar RNA SNORD18
・ Small nucleolar RNA SNORD19
・ Small nucleolar RNA SNORD20
・ Small nucleolar RNA SNORD21
・ Small nucleolar RNA SNORD22
・ Small nucleolar RNA SNORD23
・ Small nucleolar RNA SNORD24
・ Small nucleolar RNA SNORD25
・ Small nucleolar RNA SNORD26
・ Small nucleolar RNA SNORD27
・ Small nucleolar RNA SNORD28
・ Small nucleolar RNA SNORD29


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Small nucleolar RNA SNORD15 : ウィキペディア英語版
Small nucleolar RNA SNORD15

SNORD15 (also known as U15) 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.
U15 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. U15 is predicted to guide the 2'O-ribose methylation of 28S ribosomal RNA (rRNA) residue A3764.
In humans there are two closely related copies of the U15 snoRNA (called SNORD15A and SNORD15B). They are both encoded in the introns of the ribosomal protein S3. In ''Xenopus laevis'' it is located within the introns of ribosomal protein S1
snoR75 from ''Arabidopsis thaliana'' and homologues in rice ''Oryza sativa'' and other plants are alternatively known as U15, and, despite a significantly shorter sequence length, appear to be related.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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