FB2026_03 , released September 17, 2026
CV Term Report
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Term structural molecule activity ID (Ontology) GO:0005198 (Gene Ontology)
Definition The action of a molecule that contributes to the structural integrity of a complex.
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 structural molecule activity (all annotations which use CV term, excluding "NOT" statements)
     enables | structural molecule activity
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  molecular_function
   |__structural molecule activity  790 rec.
       |__bioadhesive activity 8 rec.
       |__extracellular matrix structural constituent 39 rec.
       |   |__extracellular matrix constituent conferring elasticity 1 rec.
       |   |__extracellular matrix constituent, lubricant activity
       |   |__extracellular matrix structural constituent conferring compression resistance(+)
       |   |__extracellular matrix structural constituent conferring tensile strength 4 rec.
       |   |__structural constituent of egg coat
       |   |__structural constituent of synapse-associated extracellular matrix
       |__protein complex scaffold activity 14 rec.
       |   |__centriole scaffold activity
       |   |__MAP kinase scaffold activity 6 rec.
       |   |__ubiquitin ligase complex scaffold activity 7 rec.
       |__structural constituent of albumen
       |__structural constituent of bone
       |__structural constituent of carboxysome shell
       |__structural constituent of cell wall
       |   |__structural constituent of ascospore wall
       |__structural constituent of chromatin 121 rec.
       |__structural constituent of cutaneous appendage
       |__structural constituent of cuticle 159 rec.
       |   |__structural constituent of chitin-based cuticle(+) 158 rec.
       |   |__structural constituent of collagen and cuticulin-based cuticle
       |__structural constituent of cytoplasmic lattice
       |__structural constituent of cytoskeleton 45 rec.
       |   |__structural constituent of postsynaptic actin cytoskeleton
       |   |__structural constituent of postsynaptic intermediate filament cytoskeleton
       |   |__structural constituent of presynaptic actin cytoskeleton
       |__structural constituent of egg chorion 13 rec.
       |__structural constituent of eye lens 4 rec.
       |__structural constituent of muscle 18 rec.
       |__structural constituent of myelin sheath
       |__structural constituent of nuclear lamina
       |__structural constituent of nuclear pore 23 rec.
       |__structural constituent of peritrophic membrane 2 rec.
       |__structural constituent of proteasome
       |__structural constituent of ribosome 300 rec.
       |__structural constituent of skin epidermis
       |__structural constituent of synapse 4 rec.
       |   |__structural constituent of postsynapse(+)
       |   |__structural constituent of presynapse(+)
       |   |__structural constituent of presynaptic active zone 4 rec.
       |__structural constituent of virion
       |__structural constituent of vitelline membrane 4 rec.
       |__structural molecule activity conferring elasticity 2 rec.
           |__extracellular matrix constituent conferring elasticity 1 rec.
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