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Term Information

Accession
GO:0005732
Name
sno(s)RNA-containing ribonucleoprotein complex
Ontology
cellular_component
Synonyms
sRNP, small nucleolar ribonucleoprotein, small nucleolar ribonucleoprotein complex, small ribonucleoprotein, small ribonucleoprotein protein complex, snoRNP
Alternate IDs
None
Definition
A ribonucleoprotein complex that contains an RNA molecule of the snoRNA family and associated proteins. Many are involved in a step of processing of rRNA molecules: cleavage, 2'-O-methylation, or pseudouridylation, but other RNA types can be targets as well. The majority fall into one of two classes, box C/D type or box H/ACA type, which are conserved across eukaryotes and archaea. Other members include the telomerase RNA and the ribonuclease MRP RNA. Source: GOC:krc, PMID:17284456, ISBN:0879695897, GOC:mah
Comment
Note that 'nucleolar' in the name acronym 'snoRNA' is part of the RNA family designation 'small nucleolar', and does not reflect the location of the complex. Both box C/D type and box H/ACA RNAs are found in Archaea (where they are referred to as sRNAs) as well as in Eukaryota. In eukaryotes, box H/ACA RNAs are found in both nucleolar-localized snoRNP complexes and in Cajal body-localized scaRNP complexes.
History
See term history for GO:0005732 at QuickGO
Subset
goslim_pir
Feedback
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Parents of sno(s)RNA-containing ribonucleoprotein complex (GO:0005732)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
sno(s)RNA-containing ribonucleoprotein complex [is_a relation] is_a  ribonucleoprotein complex (GO:1990904)
Children of sno(s)RNA-containing ribonucleoprotein complex (GO:0005732)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
ribonuclease MRP complex (GO:0000172) [is_a relation] is_a  sno(s)RNA-containing ribonucleoprotein complex
box H/ACA RNP complex (GO:0072588) [is_a relation] is_a  sno(s)RNA-containing ribonucleoprotein complex
box C/D RNP complex (GO:0031428) [is_a relation] is_a  sno(s)RNA-containing ribonucleoprotein complex
None.