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QDPR

Chr 4p15.32

quinoid dihydropteridine reductase

Aliases:
DHPR, PKU2, SDR33C1
MANE:
ENST00000281243.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Childhood onset dystonia, chorea or related movement disorder

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Neurotransmitter disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Adult onset dystonia, chorea or related movement disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • dihydropteridine reductase deficiency

    0.85
  • Hyperphenylalaninemia

    0.82
  • Dystonia

    0.42
  • 6-pyruvoyl-tetrahydropterin synthase deficiency

    0.34
  • BH4-deficient hyperphenylalaninemia A

    0.34
  • hemoglobin E disease

    0.27
  • hyperphenylalaninemia due to tetrahydrobiopterin deficiency

    0.27
  • hereditary disease

    0.19
  • hearing loss disorder

    0.16
  • arthropathy

    0.15

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

Protein function (UniProt)

Dihydropteridine reductase

Catalyzes the conversion of quinonoid dihydrobiopterin into tetrahydrobiopterin

Curated MONDO disease pages that list QDPR 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.