FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

U2 snRNP

ID (Ontology)

GO:0005686 (Gene Ontology)

Definition

A ribonucleoprotein complex that contains small nuclear RNA U2, a heptameric ring of Sm proteins, as well as several proteins that are unique to the U2 snRNP, most of which remain associated with the U2 snRNA both while the U2 snRNP is free or assembled into a series of spliceosomal complexes.[ ISBN:0879695897 ]

Also Known As

"snRNP U2"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_CELLULAR_COMPONENT

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Gene Groups	Genes
U2 snRNP (all annotations which use CV term, excluding "NOT" statements)
part_of \| U2 snRNP	--

Spanning Tree (Parents/Children)

  small nuclear ribonucleoprotein complex
   |__spliceosomal snRNP complex
       |__U2 snRNP  26 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	spliceosomal snRNP complex
Part of
Synonyms & Secondary IDs
Synonyms
	"17S U2 snRNP" NARROW "snRNP U2" EXACT
Secondary IDs

External Crossreferences & Linkouts