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CDKN2A

Chr 9p21.3

cyclin dependent kinase inhibitor 2A

Aliases:
CDK4I, p16, INK4a, MTS1, CMM2
MANE:
ENST00000304494.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult solid tumours cancer susceptibility

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Adult solid tumours for rare disease

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Childhood solid tumours

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Familial melanoma

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Familial tumours of the nervous system

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Inherited pancreatic cancer

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Melanoma pertinent cancer susceptibility

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Pigmentary skin disorders

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

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Disease associations (Open Targets)

  • melanoma, cutaneous malignant, susceptibility to, 2

    0.84
  • familial atypical multiple mole melanoma syndrome

    0.81
  • melanoma

    0.79
  • cutaneous melanoma

    0.72
  • melanoma and neural system tumor syndrome

    0.71
  • familial melanoma

    0.68
  • squamous cell lung carcinoma

    0.64
  • head and neck squamous cell carcinoma

    0.64
  • cancer

    0.62
  • hepatocellular carcinoma

    0.61

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

Protein function (UniProt)

Cyclin-dependent kinase inhibitor 2A

Acts as a negative regulator of the proliferation of normal cells by interacting strongly with CDK4 and CDK6. This inhibits their ability to interact with cyclins D and to phosphorylate the retinoblastoma protein

Curated MONDO disease pages that list CDKN2A 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.