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6.1.1.18: glutamine-tRNA ligase

This is an abbreviated version!
For detailed information about glutamine-tRNA ligase, go to the full flat file.

Word Map on EC 6.1.1.18

Reaction

ATP
+
L-glutamine
+
tRNAGln
=
AMP
+
diphosphate
+
L-glutaminyl-tRNAGln

Synonyms

class I glutaminyl-tRNA synthetase, cytosolic glutaminyl-tRNA synthetase, Gln-RS, Gln4, GlnRS, Glutamine translase, Glutamine--tRNA ligase, Glutamine-tRNA synthetase, glutaminyl tRNA synthetase, Glutaminyl-transfer ribonucleate synthetase, Glutaminyl-transfer RNA synthetase, Glutaminyl-tRNA synthetase, glutaminyltRNA synthetase, glutamyl/glutaminyl-tRNA synthetase, QARS, QRS, Synthetase, glutaminyl-transfer ribonucleate, Vegetative specific protein H4

ECTree

     6 Ligases
         6.1 Forming carbon-oxygen bonds
             6.1.1 Ligases forming aminoacyl-tRNA and related compounds
                6.1.1.18 glutamine-tRNA ligase

Purification

Purification on EC 6.1.1.18 - glutamine-tRNA ligase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
IgG Sepharose column chromatography and Superdex HiLoad 16/60 gel filtration
Ni-NTA agarose column chromatography
recombinant His-tagged chimeric mutant enzyme from strain BL21(DE3) or the temperature sensitive strain JP1449(DE3) by nickel affinity chromatography
-
recombinant His-tagged GlnRS mutants from strain BL21-DE3 by nickel affinity chromatography
-
recombinant His-tagged wild-type and mutant enzymes from Escherichia coli by nickel affinity chromatography and dialysis
recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21
recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain Rosetta (DE3)pLysS by nickel affinity chromatography and gel filtration
recombinant His6-tagged wild-type full-length enzyme and truncated mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography, ultrafiltration, and gel filtration, optimization of purification conditions