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Description for Protein QARS

glutaminyl-tRNA synthetase
10 total interacting proteins; 7 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 2/1)
(microparticles: 1; platelet: 6)
Summary:
Aminoacyl-tRNA synthetases catalyze the aminoacylation of tRNA by their cognate amino acid. Because of their central role in linking amino acids with nucleotide triplets contained in tRNAs, aminoacyl-tRNA synthetases are thought to be among the first proteins that appeared in evolution. In metazoans, 9 aminoacyl-tRNA synthetases specific for glutamine (gln), glutamic acid (glu), and 7 other amino acids are associated within a multienzyme complex. Although present in eukaryotes, glutaminyl-tRNA synthetase (QARS) is absent from many prokaryotes, mitochondria, and chloroplasts, in which Gln-tRNA(Gln) is formed by transamidation of the misacylated Glu-tRNA(Gln). Glutaminyl-tRNA synthetase belongs to the class-I aminoacyl-tRNA synthetase family. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
None Available
Gene Ontology:
Gene Ontology Annotations
KEGG - Enzyme ID(s):
6.1.1.18
KEGG - Orthology:
K01886
KEGG - Pathway(s):
hsa00970; hsa01100
(The yellow boxes represents platelet proteins)
Nomenclature / Alternative Names:
GlnRS; Glutamine tRNA ligase
Approved Symbol:
QARS
(De-) Phosphorylations:
Total (de-) phosphorylation sites: 9
Human (de-) phosphorylation sites: 9; No platelet phosphorylation sites
Phosphorylation Targets:
Total phosphorylation targets: 0
Human phosphorylation targets: 0;Predicted platelet targets: 0
Protein Characteristics:
Isoform-specific Information
Icon DrugsAssociated Drugs (DrugBank Accession):

  • L-Glutamine(db)

    Associated Genetic Diseases:

    None Available
    		• Predicted Transmembrane Domains:
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 07223 Entrez Gene ID: 5859 OMIM ID: 603727 Swissprot Accession: P47897;