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ARSA

Chr 22q13.33

arylsulfatase A

Aliases:
ASA
MANE:
ENST00000216124.10

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Adult onset dystonia, chorea or related movement disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Adult onset leukodystrophy

    BIALLELIC, autosomal or pseudoautosomal
  • Adult onset neurodegenerative disorder

    BIALLELIC, autosomal or pseudoautosomal
  • Ataxia and cerebellar anomalies - narrow panel

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

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • metachromatic leukodystrophy

    0.88
  • metachromatic leukodystrophy, juvenile form

    0.78
  • metachromatic leukodystrophy, adult form

    0.61
  • metachromatic leukodystrophy, late infantile form

    0.59
  • hereditary disease

    0.52
  • neurodevelopmental disorder

    0.41
  • Multiple sulfatase deficiency

    0.38
  • Dystonia

    0.37
  • leukodystrophy

    0.34
  • spastic ataxia

    0.34

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

Protein function (UniProt)

ATPase GET3

ATPase required for the post-translational delivery of tail-anchored (TA) proteins to the endoplasmic reticulum (PubMed:17382883). Recognizes and selectively binds the transmembrane domain of TA proteins in the cytosol. This complex then targets to the endoplasmic reticulum by membrane-bound receptors GET1/WRB and CAMLG/GET2, where the tail-anchored protein is released for insertion. This process is regulated by ATP binding and hydrolysis. ATP binding drives the homodimer towards the closed dimer state, facilitating recognition of newly synthesized TA membrane proteins. ATP hydrolysis is required for insertion. Subsequently, the homodimer reverts towards the open dimer state, lowering its affinity for the GET1-CAMLG receptor, and returning it to the cytosol to initiate a new round of targeting. May be involved in insulin signaling

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.