Glutaminyl-tRNA synthase (glutamine-hydrolysing)
| glutaminyl-tRNA synthase (glutamine-hydrolyzing) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 6.3.5.7 | ||||||||
| CAS number | Template:CAS | ||||||||
| 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 / EGO | ||||||||
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In enzymology, a glutaminyl-tRNA synthase (glutamine-hydrolysing) (EC 6.3.5.7) is an enzyme that catalyzes the chemical reaction
- ATP + glutamyl-tRNAGln + L-glutamine
ADP + phosphate + glutaminyl-tRNAGln + L-glutamate
The 3 substrates of this enzyme are ATP, glutamyl-tRNA(Gln), and L-glutamine, whereas its 4 products are ADP, phosphate, glutaminyl-tRNA(Gln), and L-glutamate.
This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds carbon-nitrogen ligases with glutamine as amido-N-donor. The systematic name of this enzyme class is glutamyl-tRNAGln:L-glutamine amido-ligase (ADP-forming). Other names in common use include Glu-AdT, Glu-tRNAGln amidotransferase, glutamyl-tRNAGln amidotransferase, and Glu-tRNAGln:L-glutamine amido-ligase (ADP-forming). This enzyme participates in glutamate metabolism and alanine and aspartate metabolism.
References
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