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PNPO

Chr 17q21.32

pyridoxamine 5'-phosphate oxidase

Aliases:
PDXPO
MANE:
ENST00000642017.2

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Undiagnosed metabolic disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

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

  • Neurotransmitter disorders

    BIALLELIC, autosomal or pseudoautosomal

Disease associations (Open Targets)

  • pyridoxal phosphate-responsive seizures

    0.81
  • hereditary disease

    0.49
  • Seizure

    0.40
  • neuronopathy, distal hereditary motor, type 5A

    0.34
  • Growth delay

    0.33
  • fetal growth restriction

    0.33
  • Global developmental delay

    0.19
  • type 1 diabetes mellitus

    0.11
  • neoplasm

    0.09
  • cancer

    0.08

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

Protein function (UniProt)

Pyridoxine-5'-phosphate oxidase

Catalyzes the oxidation of either pyridoxine 5'-phosphate (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-phosphate (PLP)

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.