FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

nuclear envelope lumen

ID (Ontology)

GO:0005641 (Gene Ontology)

Definition

The region between the two lipid bilayers of the nuclear envelope; 20-40 nm wide.

Also Known As

"nuclear intermembrane space" ; "perinuclear space"

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	Alleles	Genes
nuclear envelope lumen (all annotations which use CV term, excluding "NOT" statements)	--
located_in \| nuclear envelope lumen	--
nuclear envelope lumen \| larval stage		--

Spanning Tree (Parents/Children)

nucleus
 |__nuclear envelope___________
endomembrane system            |
 |__nuclear envelope___________|
organelle envelope             |
 |__nuclear envelope___________|
 |__organelle envelope lumen___|
intracellular organelle lumen  |
 |__organelle envelope lumen___|
                               nuclear envelope lumen  2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	organelle envelope lumen
Part of	nuclear envelope
Synonyms & Secondary IDs
Synonyms
	"nuclear intermembrane space" EXACT "nuclear membrane lumen" RELATED "perinuclear space" EXACT
Secondary IDs

External Crossreferences & Linkouts