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CAV3

Chr 3p25.3

caveolin 3

Aliases:
VIP-21, LGMD1C, VIP21, LQT9
MANE:
ENST00000343849.3

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Acute rhabdomyolysis

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Limb girdle muscular dystrophies, myofibrillar myopathies and distal myopathies

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Rhabdomyolysis and metabolic muscle disorders

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Arthrogryposis

  • Brugada syndrome and cardiac sodium channel disease

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Congenital myopathy

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Hereditary neuropathy

  • Hereditary neuropathy or pain disorder

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Disease associations (Open Targets)

  • rippling muscle disease 2

    0.82
  • long QT syndrome 9

    0.72
  • distal myopathy

    0.70
  • isolated asymptomatic elevation of creatine phosphokinase

    0.66
  • sudden infant death syndrome

    0.61
  • Prolonged QT interval

    0.57
  • rippling muscle disease

    0.56
  • Elevated circulating creatine kinase concentration

    0.55
  • Rare familial disorder with hypertrophic cardiomyopathy

    0.54
  • hypertrophic cardiomyopathy 1

    0.53

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Caveolin-3

May act as a scaffolding protein within caveolar membranes. Interacts directly with G protein alpha subunits and can functionally regulate their activity. May also regulate voltage-gated potassium channels. Plays a role in the sarcolemma repair mechanism of both skeletal muscle and cardiomyocytes that permits rapid resealing of membranes disrupted by mechanical stress (By similarity). Mediates the recruitment of CAVIN2 and CAVIN3 proteins to the caveolae (PubMed:19262564)

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.