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ANK2

Chr 4q25-q26

ankyrin 2

Aliases:
FAP87, CFAP87
MANE:
ENST00000357077.9

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Early onset or syndromic epilepsy

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Intellectual disability

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Arrhythmogenic right ventricular cardiomyopathy

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Dilated and arrhythmogenic cardiomyopathy

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Paediatric or syndromic cardiomyopathy

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Brugada syndrome and cardiac sodium channel disease

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Cardiac arrhythmias - additional genes

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Catecholaminergic polymorphic VT

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • Romano-Ward syndrome

    0.74
  • neurodevelopmental disorder

    0.61
  • Prolonged QT interval

    0.55
  • Abnormality of the cardiovascular system

    0.55
  • complex neurodevelopmental disorder

    0.50
  • hereditary disease

    0.48
  • epilepsy

    0.39
  • autism spectrum disorder

    0.38
  • Brugada syndrome

    0.36
  • myocardial ischemia

    0.33

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

Protein function (UniProt)

Ankyrin-2

Plays an essential role in the localization and membrane stabilization of ion transporters and ion channels in several cell types, including cardiomyocytes, as well as in striated muscle cells. In skeletal muscle, required for proper localization of DMD and DCTN4 and for the formation and/or stability of a special subset of microtubules associated with costameres and neuromuscular junctions. In cardiomyocytes, required for coordinate assembly of Na/Ca exchanger, SLC8A1/NCX1, Na/K ATPases ATP1A1 and ATP1A2 and inositol 1,4,5-trisphosphate (InsP3) receptors at sarcoplasmic reticulum/sarcolemma sites. Required for expression and targeting of SPTBN1 in neonatal cardiomyocytes and for the regulation of neonatal cardiomyocyte contraction rate (PubMed:12571597). In the inner segment of rod photoreceptors, required for the coordinated expression of the Na/K ATPase, Na/Ca exchanger and beta-2-spectrin (SPTBN1) (By similarity). Plays a role in endocytosis and intracellular protein transport. Associates with phosphatidylinositol 3-phosphate (PI3P)-positive organelles and binds dynactin to promote long-range motility of cells. Recruits RABGAP1L to (PI3P)-positive early endosomes, where RABGAP1L inactivates RAB22A, and promotes polarized trafficking to the leading edge of the migrating cells. Part of the ANK2/RABGAP1L complex which is required for the polarized recycling of fibronectin receptor ITGA5 ITGB1 to the plasma membrane that enables continuous directional cell migration (By similarity)

Curated MONDO disease pages that list ANK2 among their top associated genes.

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.