FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

DNA ligase IV complex

ID (Ontology)

GO:0032807 (Gene Ontology)

Definition

A eukaryotically conserved protein complex that contains DNA ligase IV and is involved in DNA repair by non-homologous end joining; in addition to the ligase, the complex also contains XRCC4 or a homolog, e.g. Saccharomyces Lif1p.[ PubMed:16314503 ]

Also Known As

"DNA ligase IV-XRCC4 complex"

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_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	Genes
DNA ligase IV complex (all annotations which use CV term, excluding "NOT" statements)
part_of \| DNA ligase IV complex

Spanning Tree (Parents/Children)

nucleus
 |__nuclear protein-containing complex____
protein-containing complex                |
 |__nuclear protein-containing complex____|
intracellular protein-containing complex  |
 |__nonhomologous end joining complex_____|
DNA repair complex                        |
 |__nonhomologous end joining complex_____|
                                          DNA ligase IV complex  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	nonhomologous end joining complex nuclear protein-containing complex
Part of
Synonyms & Secondary IDs
Synonyms
	"DNA ligase IV-XRCC4 complex" EXACT
Secondary IDs

External Crossreferences & Linkouts