HARS

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Identifiers
Aliases
External IDsGeneCards: [1]
Orthologs
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

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RefSeq (protein)

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Location (UCSC)n/an/a
PubMed searchn/an/a
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Histidyl-tRNA synthetase (HARS) also known as histidine-tRNA ligase, is an enzyme which in humans is encoded by the HARS gene.[1][2]

Function[edit | edit source]

Aminoacyl-tRNA synthetases are a class of enzymes that charge tRNAs with their cognate amino acids. The protein encoded by this gene is a cytoplasmic enzyme which belongs to the class II family of aminoacyl tRNA synthetases. The enzyme is responsible for the synthesis of histidyl-transfer RNA, which is essential for the incorporation of histidine into proteins.[3] The gene is located in a head-to-head orientation with HARSL on chromosome five, where the homologous genes share a bidirectional promoter.[1]

Clinical significance[edit | edit source]

The gene product is a frequent target of autoantibodies in the human autoimmune disease polymyositis/dermatomyositis.[3]

Interactions[edit | edit source]

HARS has been shown to interact with EEF1B2[4] and EEF1G.[4]

References[edit | edit source]

  1. 1.0 1.1 "Entrez Gene: HARS histidyl-tRNA synthetase".
  2. Wasmuth JJ, Carlock LR (1986). "Chromosomal localization of human gene for histidyl-tRNA synthetase: clustering of genes encoding aminoacyl-tRNA synthetases on human chromosome 5". Somat. Cell Mol. Genet. 12 (5): 513–7. doi:10.1007/BF01539922. PMID 3464104.
  3. 3.0 3.1 Freist W, Verhey JF, Rühlmann A, Gauss DH, Arnez JG (1999). "Histidyl-tRNA synthetase". Biol. Chem. 380 (6): 623–46. doi:10.1515/BC.1999.079. PMID 10430027.
  4. 4.0 4.1 Sang Lee J, Gyu Park S, Park H, Seol W, Lee S, Kim S (2002). "Interaction network of human aminoacyl-tRNA synthetases and subunits of elongation factor 1 complex". Biochem. Biophys. Res. Commun. 291 (1): 158–64. doi:10.1006/bbrc.2002.6398. PMID 11829477.

Further reading[edit | edit source]



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