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FDXR

Chr 17q25.1

ferredoxin reductase

Aliases:
ADR, AR
MANE:
ENST00000293195.10

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Ataxia and cerebellar anomalies - narrow panel

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary neuropathy or pain disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Likely inborn error of metabolism

    BIALLELIC, autosomal or pseudoautosomal
  • Mitochondrial disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Monogenic hearing loss

    BIALLELIC, autosomal or pseudoautosomal
  • Optic neuropathy

    BIALLELIC, autosomal or pseudoautosomal
  • Possible mitochondrial disorder - nuclear genes

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • auditory neuropathy-optic atrophy syndrome

    0.78
  • multiple mitochondrial dysfunctions syndrome 9b

    0.73
  • hereditary disease

    0.52
  • optic atrophy-ataxia-peripheral neuropathy-global developmental delay syndrome

    0.49
  • congenital adrenal hyperplasia

    0.37
  • FDXR-related optic atrophy mitochondrial dysfunction syndrome

    0.37
  • auditory neuropathy

    0.27
  • phenylketonuria

    0.27
  • Retinal dystrophy

    0.14
  • optic atrophy

    0.12

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

Protein function (UniProt)

NADPH:adrenodoxin oxidoreductase, mitochondrial

Serves as the first electron transfer protein in all the mitochondrial P450 systems including cholesterol side chain cleavage in all steroidogenic tissues, steroid 11-beta hydroxylation in the adrenal cortex, 25-OH-vitamin D3-24 hydroxylation in the kidney, and sterol C-27 hydroxylation in the liver (By similarity). Also acts as a ferredoxin--NADP(+) reductase essential for coenzyme Q biosynthesis: together with FDX2, transfers the electrons required for the hydroxylation reaction performed by COQ6 (PubMed:38425362)

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.