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DARS2

Chr 1q25.1

aspartyl-tRNA synthetase 2, mitochondrial

Aliases:
FLJ10514, mtAspRS
MANE:
ENST00000649689.2

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

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

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia with onset in adulthood

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary neuropathy

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • Leukoencephalopathy with brain stem and spinal cord involvement - high lactate

    0.84
  • leukoencephalopathy with brain stem and spinal cord involvement-high lactate syndrome

    0.79
  • neurodegenerative disease

    0.53
  • hereditary disease

    0.52
  • gout

    0.43
  • Gait ataxia

    0.43
  • EMG: axonal abnormality

    0.43
  • Impaired vibration sensation in the lower limbs

    0.43
  • Gait imbalance

    0.43
  • hypertensive disorder

    0.43

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

Protein function (UniProt)

Aspartate--tRNA ligase, mitochondrial

Catalyzes the attachment of aspartate to tRNA(Asp) in a two-step reaction: aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp)

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.