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RARS2

Chr 6q15

arginyl-tRNA synthetase 2, mitochondrial

Aliases:
MGC14993, MGC23778, PRO1992, dJ382I10.6, DALRD2
MANE:
ENST00000369536.10

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
  • Cerebellar hypoplasia

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    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
  • Intellectual disability

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • pontocerebellar hypoplasia type 6

    0.81
  • pontocerebellar hypoplasia

    0.70
  • Non-syndromic pontocerebellar hypoplasia

    0.53
  • hereditary disease

    0.52
  • epilepsy

    0.46
  • mitochondrial disease

    0.44
  • inborn mitochondrial metabolism disorder

    0.37
  • isolated cerebellar hypoplasia/agenesis

    0.32
  • Loss of consciousness

    0.28
  • neurodegenerative disease

    0.27

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

Protein function (UniProt)

Probable arginine--tRNA ligase, mitochondrial

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

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.