- Threonine-tRNA ligase
enzymology, a threonine-tRNA ligase (EC number|126.96.36.199) is an enzymethat catalyzes the chemical reaction
:ATP + L-threonine + tRNAThr AMP + diphosphate + L-threonyl-tRNAThr
This enzyme belongs to the family of
ligases, specifically those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. The systematic name of this enzyme class is L-threonine:tRNAThr ligase (AMP-forming). Other names in common use include threonyl-tRNA synthetase, threonyl-transfer ribonucleate synthetase, threonyl-transfer RNA synthetase, threonyl-transfer ribonucleic acid synthetase, threonyl ribonucleic synthetase, threonine-transfer ribonucleate synthetase, threonine translase, threonyl-tRNA synthetase, and TRS. This enzyme participates in glycine, serine and threonine metabolismand aminoacyl-trna biosynthesis.
As of late 2007, 17 structures have been solved for this class of enzymes, with PDB accession codes PDB link|1EVK, PDB link|1EVL, PDB link|1FYF, PDB link|1KOG, PDB link|1NYQ, PDB link|1NYR, PDB link|1QF6, PDB link|1TJE, PDB link|1TKE, PDB link|1TKG, PDB link|1TKY, PDB link|1WWT, PDB link|1Y2Q, PDB link|2HKZ, PDB link|2HL0, PDB link|2HL1, and PDB link|2HL2.
CAS registry numberfor this enzyme class is CAS registry|9023-46-5."
Gene Ontology (GO) codes
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