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PSAP

Chr 10q22.1

prosaposin

MANE:
ENST00000394936.8

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult onset leukodystrophy

    BIALLELIC, autosomal or pseudoautosomal
  • Adult onset neurodegenerative disorder

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Inherited white matter disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal
  • Krabbe disease - Saposin A deficiency

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • Gaucher disease due to saposin C deficiency

    0.81
  • Krabbe disease due to saposin A deficiency

    0.80
  • combined PSAP deficiency

    0.79
  • Krabbe disease

    0.65
  • Parkinson disease

    0.62
  • metachromatic leukodystrophy

    0.59
  • neurodegenerative disease

    0.57
  • Alzheimer disease

    0.55
  • lysosomal storage disease

    0.54
  • multiple sclerosis

    0.54

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

Protein function (UniProt)

Mitochondrial carrier homolog 1

Protein insertase that mediates insertion of transmembrane proteins into the mitochondrial outer membrane (PubMed:36264797). Catalyzes insertion of proteins with alpha-helical transmembrane regions, such as signal-anchored, tail-anchored and multi-pass membrane proteins (By similarity). Does not mediate insertion of beta-barrel transmembrane proteins (By similarity). May play a role in apoptosis (PubMed:12377771)

Curated MONDO disease pages that list PSAP 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.