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Aliases for LARS2 Gene

Aliases for LARS2 Gene

  • Leucyl-TRNA Synthetase 2, Mitochondrial 2 3
  • EC 4 63
  • LEURS 3 4
  • Probable Leucyl-TRNA Synthetase, Mitochondrial 3
  • Leucine TRNA Ligase 2, Mitochondrial 3
  • Leucine TRNA Ligase 2, Mitocondrial 3
  • Leucyl-TRNA Synthetase 4
  • Leucine TRNA Ligase 2 2
  • Leucine Translase 3
  • Mitochondrial 2
  • KIAA0028 4
  • EC 6.1.1 63
  • PRLTS4 3

External Ids for LARS2 Gene

Previous GeneCards Identifiers for LARS2 Gene

  • GC03P044670
  • GC03P045249
  • GC03P045390

Summaries for LARS2 Gene

Entrez Gene Summary for LARS2 Gene

  • This gene encodes a class 1 aminoacyl-tRNA synthetase, mitochondrial leucyl-tRNA synthetase. Each of the twenty aminoacyl-tRNA synthetases catalyzes the aminoacylation of a specific tRNA or tRNA isoaccepting family with the cognate amino acid. [provided by RefSeq, Jul 2008]

GeneCards Summary for LARS2 Gene

LARS2 (Leucyl-TRNA Synthetase 2, Mitochondrial) is a Protein Coding gene. Diseases associated with LARS2 include perrault syndrome 4 and perrault syndrome. Among its related pathways are Gene Expression and tRNA Aminoacylation. GO annotations related to this gene include nucleotide binding and aminoacyl-tRNA editing activity.

Gene Wiki entry for LARS2 Gene

No data available for UniProtKB/Swiss-Prot , Tocris Summary , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for LARS2 Gene

Genomics for LARS2 Gene

Regulatory Elements for LARS2 Gene

Genomic Location for LARS2 Gene

45,388,506 bp from pter
45,549,421 bp from pter
160,916 bases
Plus strand

Genomic View for LARS2 Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for LARS2 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for LARS2 Gene

Proteins for LARS2 Gene

  • Protein details for LARS2 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Probable leucine--tRNA ligase, mitochondrial
    Protein Accession:

    Protein attributes for LARS2 Gene

    903 amino acids
    Molecular mass:
    101976 Da
    Quaternary structure:
    No Data Available
    • Sequence=BAA04877.2; Type=Erroneous initiation; Note=Translation N-terminally shortened.; Evidence={ECO:0000305};

neXtProt entry for LARS2 Gene

Proteomics data for LARS2 Gene at MOPED

Post-translational modifications for LARS2 Gene

  • Modification sites at PhosphoSitePlus
  • Modification sites at neXtProt

Other Protein References for LARS2 Gene

Antibody Products

Domains & Families for LARS2 Gene

Gene Families for LARS2 Gene

Suggested Antigen Peptide Sequences for LARS2 Gene

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the class-I aminoacyl-tRNA synthetase family.
  • Belongs to the class-I aminoacyl-tRNA synthetase family.
genes like me logo Genes that share domains with LARS2: view

Function for LARS2 Gene

Molecular function for LARS2 Gene

UniProtKB/Swiss-Prot CatalyticActivity:
ATP + L-leucine + tRNA(Leu) = AMP + diphosphate + L-leucyl-tRNA(Leu)

Enzyme Numbers (IUBMB) for LARS2 Gene

Gene Ontology (GO) - Molecular Function for LARS2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0000166 nucleotide binding --
GO:0002161 aminoacyl-tRNA editing activity IEA --
GO:0004812 aminoacyl-tRNA ligase activity --
GO:0004823 leucine-tRNA ligase activity IBA --
GO:0005524 ATP binding IEA --
genes like me logo Genes that share ontologies with LARS2: view

Phenotypes for LARS2 Gene

genes like me logo Genes that share phenotypes with LARS2: view

Animal Model Products

miRNA for LARS2 Gene

miRTarBase miRNAs that target LARS2

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for LARS2

In Situ Assay Products

Flow Cytometry Products

No data available for Animal Models , Transcription Factor Targets and HOMER Transcription for LARS2 Gene

Localization for LARS2 Gene

Subcellular locations from UniProtKB/Swiss-Prot for LARS2 Gene

Mitochondrion matrix.

Subcellular locations from

Jensen Localization Image for LARS2 Gene COMPARTMENTS Subcellular localization image for LARS2 gene
Compartment Confidence
mitochondrion 4
cytosol 2
nucleus 2
chloroplast 1

Gene Ontology (GO) - Cellular Components for LARS2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005739 mitochondrion IBA --
GO:0005759 mitochondrial matrix TAS --
GO:0005829 NOT cytosol IBA --
genes like me logo Genes that share ontologies with LARS2: view

Pathways & Interactions for LARS2 Gene

genes like me logo Genes that share pathways with LARS2: view

Pathways by source for LARS2 Gene

1 KEGG pathway for LARS2 Gene

Gene Ontology (GO) - Biological Process for LARS2 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006418 tRNA aminoacylation for protein translation TAS --
GO:0006429 leucyl-tRNA aminoacylation IBA --
GO:0006450 regulation of translational fidelity IEA --
GO:0010467 gene expression TAS --
genes like me logo Genes that share ontologies with LARS2: view

No data available for SIGNOR curated interactions for LARS2 Gene

Drugs & Compounds for LARS2 Gene

(4) Drugs for LARS2 Gene - From: HMDB and DrugBank

Name Status Disease Links Group Role Mechanism of Action Clinical Trials
L-Leucine Approved Nutra Target 0
Adenosine monophosphate Approved Nutra 0
Adenosine triphosphate Approved Nutra 0
Diphosphate Experimental Pharma 0

(3) Additional Compounds for LARS2 Gene - From: HMDB and NovoSeek

Name Synonyms Role CAS Number PubChem IDs PubMed IDs
Ceramide (d18:1/16:0)
  • (2S,3R,4E)-2-acylamino-1,3-octadec-4-enediol
  • (2S,3R,4E)-2-acylaminooctadec-4-ene-1,3-diol
  • Cer
  • Ceramide
  • N-Acylsphingosine
phosphoric acid
  • Acide phosphorique (FRENCH)
  • Acido fosforico [Italian]
  • Acidum phosphoricum
  • Diphosphate tetrasodium
  • Fosforzuuroplossingen [Dutch]
genes like me logo Genes that share compounds with LARS2: view

Transcripts for LARS2 Gene

Unigene Clusters for LARS2 Gene

Leucyl-tRNA synthetase 2, mitochondrial:
Representative Sequences:

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for LARS2

Flow Cytometry Products

Alternative Splicing Database (ASD) splice patterns (SP) for LARS2 Gene

ExUns: 1a · 1b ^ 2 ^ 3 ^ 4 ^ 5a · 5b ^ 6 ^ 7 ^ 8 ^ 9 ^ 10 ^ 11 ^ 12 ^ 13 ^ 14 ^ 15 ^ 16 ^ 17 ^ 18 ^ 19 ^ 20 ^ 21 ^ 22a · 22b ^ 23a ·
SP1: - -
SP3: - -

ExUns: 23b

Relevant External Links for LARS2 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for LARS2 Gene

mRNA expression in normal human tissues for LARS2 Gene

Protein differential expression in normal tissues from HIPED for LARS2 Gene

This gene is overexpressed in Lymph node (18.9) and Salivary gland (6.7).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, PaxDb, MOPED, and MaxQB for LARS2 Gene

SOURCE GeneReport for Unigene cluster for LARS2 Gene Hs.526975

mRNA Expression by UniProt/SwissProt for LARS2 Gene

Tissue specificity: Ubiquitously expressed, but highest expression in tissues with high metabolic rates, such as skeletal muscle, heart, and kidney.
genes like me logo Genes that share expression patterns with LARS2: view

Protein tissue co-expression partners for LARS2 Gene

- Elite partner

Primer Products

In Situ Assay Products

No data available for mRNA expression in embryonic tissues and stem cells from LifeMap Discovery and mRNA differential expression in normal tissues for LARS2 Gene

Orthologs for LARS2 Gene

This gene was present in the common ancestor of eukaryotes.

Orthologs for LARS2 Gene

Organism Taxonomy Gene Similarity Type Details
(Canis familiaris)
Mammalia LARS2 35
  • 88.04 (n)
  • 90.48 (a)
LARS2 36
  • 90 (a)
(Mus musculus)
Mammalia Lars2 35
  • 84.89 (n)
  • 86.59 (a)
Lars2 16
Lars2 36
  • 86 (a)
(Pan troglodytes)
Mammalia LARS2 35
  • 99.34 (n)
  • 99.67 (a)
LARS2 36
  • 100 (a)
(Rattus norvegicus)
Mammalia Lars2 35
  • 84.59 (n)
  • 86.83 (a)
(Bos Taurus)
Mammalia LARS2 36
  • 89 (a)
(Monodelphis domestica)
Mammalia LARS2 36
  • 80 (a)
(Ornithorhynchus anatinus)
Mammalia -- 36
  • 80 (a)
-- 36
  • 80 (a)
(Gallus gallus)
Aves LARS2 35
  • 71.1 (n)
  • 70.99 (a)
LARS2 36
  • 71 (a)
(Anolis carolinensis)
Reptilia LARS2 36
  • 70 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia lars2 35
  • 68.12 (n)
  • 69.64 (a)
(Danio rerio)
Actinopterygii lars2 35
  • 65.59 (n)
  • 65.78 (a)
lars2 36
  • 67 (a)
LARS2 (2 of 2) 36
  • 60 (a)
fruit fly
(Drosophila melanogaster)
Insecta CG7479 37
  • 43 (a)
Aats-leu 35
  • 52.62 (n)
  • 47.61 (a)
Aats-leu 36
  • 42 (a)
African malaria mosquito
(Anopheles gambiae)
Insecta AgaP_AGAP002014 35
  • 52.63 (n)
  • 45.67 (a)
(Caenorhabditis elegans)
Secernentea lrs-2 37
  • 35 (a)
lars-2 35
  • 49.62 (n)
  • 39.86 (a)
lars-2 36
  • 31 (a)
A. gosspyii yeast
(Ashbya gossypii)
Saccharomycetes AGOS_AER043C 35
  • 48.62 (n)
  • 41.5 (a)
K. lactis yeast
(Kluyveromyces lactis)
Saccharomycetes KLLA0E05325g 35
  • 47.31 (n)
  • 40.3 (a)
baker's yeast
(Saccharomyces cerevisiae)
Saccharomycetes NAM2 35
  • 49.81 (n)
  • 43.61 (a)
NAM2 36
  • 35 (a)
NAM2 38
thale cress
(Arabidopsis thaliana)
eudicotyledons EMB2369 35
  • 46.72 (n)
  • 38.37 (a)
sea squirt
(Ciona intestinalis)
Ascidiacea Cin.670 35
bread mold
(Neurospora crassa)
Ascomycetes NCU03814 35
  • 48.6 (n)
  • 40.78 (a)
fission yeast
(Schizosaccharomyces pombe)
Schizosaccharomycetes SPAC4G8.09 35
  • 48.36 (n)
  • 43.58 (a)
sea squirt
(Ciona savignyi)
Ascidiacea -- 36
  • 56 (a)
CSA.9442 36
  • 34 (a)
Species with no ortholog for LARS2:
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)

Evolution for LARS2 Gene

Gene Tree for LARS2 (if available)
Gene Tree for LARS2 (if available)

Paralogs for LARS2 Gene

(1) SIMAP similar genes for LARS2 Gene using alignment to 4 proteins:

genes like me logo Genes that share paralogs with LARS2: view

No data available for Paralogs for LARS2 Gene

Variants for LARS2 Gene

Sequence variations from dbSNP and Humsavar for LARS2 Gene

SNP ID Clin Chr 03 pos Sequence Context AA Info Type MAF
rs267219 -- 45,524,373(+) TTCTC(A/G)TGACT intron-variant
rs267220 -- 45,524,062(+) ATGGT(A/G)ATGGC reference, synonymous-codon
rs267221 -- 45,523,100(+) GTTAG(C/T)TTTTT intron-variant
rs267222 -- 45,522,511(+) agatc(A/G)cttga intron-variant
rs267223 -- 45,521,349(+) gtggc(A/G)tacag intron-variant

Structural Variations from Database of Genomic Variants (DGV) for LARS2 Gene

Variant ID Type Subtype PubMed ID
nsv834677 CNV Gain 17160897
nsv3794 CNV Insertion 18451855
esv2670188 CNV Deletion 23128226
esv270992 CNV Insertion 20981092
esv274389 CNV Insertion 20981092
esv1659959 CNV Insertion 17803354
esv25561 CNV Loss 19812545
esv2664866 CNV Deletion 23128226

Variation tolerance for LARS2 Gene

Residual Variation Intolerance Score: 26.52% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 3.99; 60.12% of all genes are more intolerant (likely to be disease-causing)

Relevant External Links for LARS2 Gene

HapMap Linkage Disequilibrium report
Human Gene Mutation Database (HGMD)

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for LARS2 Gene

Disorders for LARS2 Gene

MalaCards: The human disease database

(5) MalaCards diseases for LARS2 Gene - From: OMIM, ClinVar, GeneTests, Orphanet, Swiss-Prot, DISEASES, and GeneCards

Disorder Aliases PubMed IDs
perrault syndrome 4
  • prlts4
perrault syndrome
  • gonadal dysgenesis xx type deafness
  • chronic nasopharyngitis
nasopharyngeal disease
  • disorder of nasopharynx
melas syndrome
  • mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes
- elite association
Search LARS2 in MalaCards View complete list of genes associated with diseases


  • Perrault syndrome 4 (PRLTS4) [MIM:615300]: A sex-influenced disorder characterized by sensorineural deafness in both males and females, and ovarian dysgenesis in females. Affected females have primary amenorrhea, streak gonads, and infertility, whereas affected males show normal pubertal development and are fertile. {ECO:0000269 PubMed:23541342}. Note=The disease is caused by mutations affecting the gene represented in this entry.

Relevant External Links for LARS2

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator
Atlas of Genetics and Cytogenetics in Oncology and Haematology:
genes like me logo Genes that share disorders with LARS2: view

No data available for Genatlas for LARS2 Gene

Publications for LARS2 Gene

  1. Human mitochondrial leucyl-tRNA synthetase corrects mitochondrial dysfunctions due to the tRNALeu(UUR) A3243G mutation, associated with mitochondrial encephalomyopathy, lactic acidosis, and stroke-like symptoms and diabetes. (PMID: 20194621) Li R. … Guan M.X. (Mol. Cell. Biol. 2010) 2 23 67
  2. A single residue in leucyl-tRNA synthetase affecting amino acid specificity and tRNA aminoacylation. (PMID: 17378584) Lue S.W. … Kelley S.O. (Biochemistry 2007) 23 25 67
  3. Recognition of human mitochondrial tRNALeu(UUR) by its cognate leucyl-tRNA synthetase. (PMID: 15123417) Sohm B. … Florentz C. (J. Mol. Biol. 2004) 2 23 67
  4. Editing mechanism of aminoacyl-tRNA synthetases operates by a hybrid ribozyme/protein catalyst. (PMID: 20136139) Hagiwara Y. … Tateno M. (J. Am. Chem. Soc. 2010) 23 67
  5. Dynamical networks in tRNA:protein complexes. (PMID: 19351898) Sethi A. … Luthey-Schulten Z. (Proc. Natl. Acad. Sci. U.S.A. 2009) 23 67

Products for LARS2 Gene

Sources for LARS2 Gene

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