Asparagine—tRNA ligase

Last updated
asparagine-tRNA ligase
Identifiers
EC no. 6.1.1.22
CAS no. 37211-76-0
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
Search
PMC articles
PubMed articles
NCBI proteins

In enzymology, an asparagine-tRNA ligase (EC 6.1.1.22) is an enzyme that catalyzes the chemical reaction

ATP + L-asparagine + tRNAAsn AMP + diphosphate + L-asparaginyl-tRNAAsn

The 3 substrates of this enzyme are ATP, L-asparagine, and tRNA(Asn), whereas its 3 products are AMP, diphosphate, and L-asparaginyl-tRNA(Asn).

This enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. The systematic name of this enzyme class is L-asparagine:tRNAAsn ligase (AMP-forming). Other names in common use include asparaginyl-tRNA synthetase, asparaginyl-transfer ribonucleate synthetase, asparaginyl transfer RNA synthetase, asparaginyl transfer ribonucleic acid synthetase, asparagyl-transfer RNA synthetase, and asparagine translase. This enzyme participates in alanine and aspartate metabolism and aminoacyl-trna biosynthesis.

Structural studies

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes 1X54, 1X55, and 1X56.

Related Research Articles

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<span class="mw-page-title-main">Methionine—tRNA ligase</span>

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References


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