FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

poly(U)-specific exoribonuclease activity, producing 3' uridine cyclic phosphate ends

ID (Ontology)

GO:1990838 (Gene Ontology)

Definition

Catalysis of the reaction: a 3'-end uridylyl-uridine-RNA = a 3'-end 2',3'-cyclophospho-uridine-RNA + uridine.[ PubMed:23022480 ]

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

Choose a record type to view annotations for this term and its child terms. Direct annotations and full annotation statements below also provide HitList buttons.

Results list data from multiple species. Choose a record type above to open its HitList.

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

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

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	Genes
poly(U)-specific exoribonuclease activity, producing 3' uridine cyclic phosphate ends (all annotations which use CV term, excluding "NOT" statements)
enables \| poly(U)-specific exoribonuclease activity, producing 3' uridine cyclic phosphate ends

Spanning Tree (Parents/Children)

3'-5' exonuclease activity________________________________
RNA exonuclease activity, producing 5'-phosphomonoesters__|
                                                          3'-5'-RNA exonuclease activity
                                                           |__poly(U)-specific exoribonuclease activity, producing 3' uridine cyclic phosphate ends  1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	3'-5'-RNA exonuclease activity
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts
	RHEA:46052