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NSDHL

Chr Xq28

NAD(P) dependent 3-beta-hydroxysteroid dehydrogenase NSDHL

Aliases:
XAP104, H105e3, SDR31E1
MANE:
ENST00000370274.8

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Early onset or syndromic epilepsy

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Fetal anomalies

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Intellectual disability

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Likely inborn error of metabolism

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Palmoplantar keratodermas

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Peroxisomal disorders

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Rare genetic inflammatory skin disorders

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

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Disease associations (Open Targets)

  • CHILD syndrome

    0.81
  • CK syndrome

    0.78
  • neurodegenerative disease

    0.40
  • hereditary disease

    0.19
  • connective tissue disorder

    0.15
  • congenital contractural arachnodactyly

    0.12
  • Abnormal cerebral white matter morphology

    0.12
  • Perisylvian polymicrogyria

    0.12
  • unilateral polymicrogyria

    0.12
  • Seizure

    0.12

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

Protein function (UniProt)

Sterol-4-alpha-carboxylate 3-dehydrogenase, decarboxylating

Catalyzes the NAD(P)(+)-dependent oxidative decarboxylation of the C4 methyl groups of 4-alpha-carboxysterols in post-squalene cholesterol biosynthesis (By similarity). Also plays a role in the regulation of the endocytic trafficking of EGFR (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.