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Universal rules and idiosyncratic features in tRNA identity.
Correct expression of the genetic code at translation is directly correlated with tRNA identity. This survey describes the molecular signals in tRNAs that trigger specific aminoacylations. For mostExpand
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Mitochondrial aspartyl-tRNA synthetase deficiency causes leukoencephalopathy with brain stem and spinal cord involvement and lactate elevation
Leukoencephalopathy with brain stem and spinal cord involvement and lactate elevation (LBSL) has recently been defined based on a highly characteristic constellation of abnormalities observed byExpand
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Human mitochondrial tRNAs in health and disease
AbstractThe human mitochondrial genome encodes 13 proteins, all subunits of the respiratory chain complexes and thus involved in energy metabolism. These genes are translated by 22 transfer RNAs Expand
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Toward the full set of human mitochondrial aminoacyl-tRNA synthetases: characterization of AspRS and TyrRS.
The human mitochondrion possesses a translational machinery devoted to the synthesis of 13 proteins. While the required tRNAs and rRNAs are produced by transcription of the mitochondrial genome, allExpand
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An aminoacyl-tRNA synthetase paralog with a catalytic role in histidine biosynthesis.
In addition to their essential catalytic role in protein biosynthesis, aminoacyl-tRNA synthetases participate in numerous other functions, including regulation of gene expression and amino acidExpand
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Disease‐related versus polymorphic mutations in human mitochondrial tRNAs
A number of point mutations in human mitochondrial (mt) tRNA genes are correlated with a variety of neuromuscular and other severe disorders including encephalopathies, myopathies, cardiopathies andExpand
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Major identity determinants for enzymatic formation of ribothymidine and pseudouridine in the T psi-loop of yeast tRNAs.
Almost all transfer RNA molecules sequenced so far contain two universal modified nucleosides at positions 54 and 55, respectively: ribothymidine (T54) and pseudouridine (psi 55). To identify theExpand
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Thermodynamic properties distinguish human mitochondrial aspartyl-tRNA synthetase from bacterial homolog with same 3D architecture
In the mammalian mitochondrial translation apparatus, the proteins and their partner RNAs are coded by two genomes. The proteins are nuclear-encoded and resemble their homologs, whereas the RNAsExpand
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Activation of the Hetero-octameric ATP Phosphoribosyl Transferase through Subunit Interface Rearrangement by a tRNA Synthetase Paralog*
ATP phosphoribosyl transferase (ATP-PRT) joins ATP and 5-phosphoribosyl-1-pyrophosphate (PRPP) in a highly regulated reaction that initiates histidine biosynthesis. The unusual hetero-octamericExpand
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Re-designed N-terminus enhances expression, solubility and crystallizability of mitochondrial protein.
Mitochondrial aminoacyl-tRNA synthetases are key enzymes in translation. They are encoded by the nuclear genome, synthesized as precursors in the cytosol and imported. Most are matured by cleavage ofExpand
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