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6.1.1.17: glutamate-tRNA ligase

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

Word Map on EC 6.1.1.17

Reaction

ATP
+
L-glutamate
+
tRNAGlu
=
AMP
+
diphosphate
+
L-glutamyl-tRNAGlu

Synonyms

bifunctional aminoacyl-tRNA synthetase, bifunctional glutamate/proline-tRNA ligase, D-GluRS, discriminating GluRS, EC 2.7.2.13, Ec-GluRS, EPRS, ERS, Ers2, GltX, GluRS, GluRS1, GluRS2, GluRSAt, Glutamate--tRNA ligase, Glutamate-tRNA synthetase, Glutamic acid translase, Glutamic acid tRNA ligase, Glutaminyl-tRNA synthetase, Glutamyl tRNA synthetase, glutamyl-prolyl tRNA synthetase, glutamyl-prolyl-tRNA synthetase, glutamyl-Q tRNAASp synthetase, Glutamyl-transfer ribonucleate synthetase, Glutamyl-transfer ribonucleic acid synthetase, Glutamyl-transfer RNA synthetase, Glutamyl-tRNA synthetase, glutamyl-tRNAsynthetase, GtS, More, P85, surface-exposed glutamyl tRNA synthetase, TM1351, tRNA modifying enzyme, YadB

ECTree

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

Purification

Purification on EC 6.1.1.17 - glutamate-tRNA ligase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
50fold, recombinant enzyme from overexpression in Bacillus subtilis, to homogeneity
-
Ni-NTA column chromatography and gel filtration
-
partial, recombinant enzyme from Escherichia coli with or without N-terminal His-tag
-
recombinant enzyme to over 98% homogeneity
recombinant GST-GluRS1 by glutathione affinity chromatography, followed by removal of GST
-
recombinant His-tagged chimeric mutant enzyme or catalytic domain of GluRS from strain BL21(DE3) or the temperature sensitive strain JP1449(DE3) by nickel affinity chromatography
-
recombinant His-tagged ERS from strain BL21(DE3) by nickel affinity chromatography
-
recombinant His-tagged GluRS from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and gel filtration
recombinant His6-tagged GluRS-N from Escherichia coli strain BL21(DE3) to homogeneity by nickel affinity chromatography and gel filtration
recombinant N-terminally His6-SUMO2-Gly-tagged K236E/E328A mutant enzyme from Escherichia coli strain Rosetta2 (DE3) by nickel affinity chromatography and dialysis, tag cleavage by SENP2 protease and another step of nickel affinity chromatography to remove the tag, to over 95% purity, followed by ultrafiltration
-
recombinant tagged wild-type and mutant enzymes from Escherichia coli strain Escherichia coli BL21-CodonPlus (DE3)-RIPL by affinity chromatography and gel filtration
recombinant TM1351 from Escherichia coli strain Rosetta2 (DE3) by anion exchange chromatography and gel filtration
-
six-h procedure
-