FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

membrane protein localization tag

ID (Ontology)

FBcv:0005031 (FlyBase CV)

Definition

A peptide sequence that forms part of the protein product encoded by a transgenic locus or modified endogenous locus and which is used to target the tagged protein to a cellular membrane. The membrane targeting sequence may be an intrinsic component of the membrane (GO:0031224), having some covalently attached portion, for example part of a peptide sequence or some other covalently attached group such as a GPI anchor, which spans or is embedded in one or both leaflets of the membrane; or may be an extrinsic component of the membrane (GO:0019898), being loosely bound to one of its surfaces, but not integrated into the hydrophobic region.

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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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	Experimental Tools
membrane protein localization tag (all annotations which use CV term, excluding "NOT" statements)
tagged with \| membrane protein localization tag

Spanning Tree (Parents/Children)

  gene product localization tag
   |__protein localization tag
       |__membrane protein localization tag  64 rec.
           |__plasma membrane protein localization tag 22 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	protein localization tag
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts