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  2. Antisynthetase syndrome - Wikipedia

    en.wikipedia.org/wiki/Antisynthetase_syndrome

    Antisynthetase syndrome is diagnosed by a combination of radiologic features, clinical criteria, and identification of aminoacyl tRNA synthetase antibodies. [8] Immunosuppressive medications such as mycophenolate mofetil , azathioprine , and tacrolimus are often used alongside corticosteroids to manage myositis and other pulmonary symptoms.

  3. Aminoacyl tRNA synthetase - Wikipedia

    en.wikipedia.org/wiki/Aminoacyl_tRNA_synthetase

    The synthetase first binds ATP and the corresponding amino acid (or its precursor) to form an aminoacyl-adenylate, releasing inorganic pyrophosphate (PPi).The adenylate-aaRS complex then binds the appropriate tRNA molecule's D arm, and the amino acid is transferred from the aa-AMP to either the 2'- or the 3'-OH of the last tRNA nucleotide (A76) at the 3'-end.

  4. EPRS - Wikipedia

    en.wikipedia.org/wiki/EPRS

    The protein encoded by this gene is a multifunctional aminoacyl-tRNA synthetase that catalyzes the aminoacylation of glutamic acid and proline tRNA species. [ 6 ] Phosphorylation of EPRS is reported to be essential for the formation of GAIT (Gamma-interferon Activated Inhibitor of Translation) complex that regulates the translation of multiple ...

  5. Charcot–Marie–Tooth disease - Wikipedia

    en.wikipedia.org/wiki/Charcot–Marie–Tooth...

    The GARS1 gene is a protein-coding gene responsible for the encoding of glycyl-tRNA synthetase (GlyRS). Glycyl-tRNA synthetase is a class II aminoacyl-tRNA synthetase and acts as the catalyst for the synthesis of glycyl-tRNA by covalently bonding amino acids with their corresponding cognate tRNAs for protein translation. Glycyl-tRNA synthetase ...

  6. KARS (gene) - Wikipedia

    en.wikipedia.org/wiki/KARS_(gene)

    Aminoacyl-tRNA synthetases are a class of enzymes that charge tRNAs with their cognate amino acids. Lysyl-tRNA synthetase is a homodimer localized to the cytoplasm which belongs to the class II family of tRNA synthetases. It has been shown to be a target of autoantibodies in the human autoimmune diseases, polymyositis or dermatomyositis [7]

  7. Aminoacyl-tRNA - Wikipedia

    en.wikipedia.org/wiki/Aminoacyl-tRNA

    Aminoacyl-tRNA (also aa-tRNA or charged tRNA) is tRNA to which its cognate amino acid is chemically bonded (charged). The aa-tRNA, along with particular elongation factors , deliver the amino acid to the ribosome for incorporation into the polypeptide chain that is being produced during translation.

  8. IARS - Wikipedia

    en.wikipedia.org/wiki/IARS

    Isoleucyl-tRNA synthetase, cytoplasmic is an enzyme that in humans is encoded by the IARS1 gene. [5] [6] 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 ...

  9. Aminoacyltransferase - Wikipedia

    en.wikipedia.org/wiki/Aminoacyltransferase

    The activation of amino acids it aminoacyl-tRNA synthetase requires hydrolysis of ATP to AMP plus PP i. The aminoacyl-tRNA molecule has close relationships with elongation facts like EF-Tu . Peptidyl transferases are also a type of aminoacyltransferase that catalyze the formation of peptide bonds, as well as the hydrolytic step that leads to ...