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PRNP

Chr 20p13

prion protein (Kanno blood group)

Aliases:
CD230, PRP, AltPrP
MANE:
ENST00000379440.9

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult onset dystonia, chorea or related movement disorder

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Adult onset hereditary spastic paraplegia

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Adult onset leukodystrophy

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Adult onset neurodegenerative disorder

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Ataxia and cerebellar anomalies - narrow panel

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Early onset dementia (encompassing fronto-temporal dementia and prion disease)

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Hereditary ataxia

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Hereditary ataxia with onset in adulthood

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

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Disease associations (Open Targets)

  • Gerstmann-Straussler-Scheinker syndrome

    0.83
  • Creutzfeldt Jacob disease

    0.79
  • Huntington disease-like 1

    0.76
  • fatal familial insomnia

    0.72
  • inherited Creutzfeldt-Jakob disease

    0.72
  • dementia

    0.51
  • neurodegenerative disease

    0.51
  • hereditary disease

    0.49
  • prion disease

    0.48
  • cerebral amyloid angiopathy

    0.48

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

Protein function (UniProt)

Major prion protein

Its primary physiological function is unclear. May play a role in neuronal development and synaptic plasticity. May be required for neuronal myelin sheath maintenance. May promote myelin homeostasis through acting as an agonist for ADGRG6 receptor. May play a role in iron uptake and iron homeostasis. Soluble oligomers are toxic to cultured neuroblastoma cells and induce apoptosis (in vitro) (By similarity). Association with GPC1 (via its heparan sulfate chains) targets PRNP to lipid rafts. Also provides Cu(2+) or Zn(2+) for the ascorbate-mediated GPC1 deaminase degradation of its heparan sulfate side chains (By similarity)

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.