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6.3.2.9: UDP-N-acetylmuramoyl-L-alanine-D-glutamate ligase

This is an abbreviated version!
For detailed information about UDP-N-acetylmuramoyl-L-alanine-D-glutamate ligase, go to the full flat file.

Word Map on EC 6.3.2.9

Reaction

ATP
+
UDP-N-acetyl-alpha-D-muramoyl-L-alanine
+
D-glutamate
=
ADP
+
phosphate
+
UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-glutamate

Synonyms

D-Glutamate-adding enzyme, D-glutamic acid adding enzyme, D-Glutamic acid-adding enzyme, MurD, MurD cell wall enzyme, MurD ligase, Synthetase, uridine diphospho-N-acetylmuramoylalanyl-D-glutamate, UDP-Mur-Nac-L-Ala:L-Glu ligase, UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase, UDP-N-acetylmuramoyl-L-alanine:D-glutamateligase, UDP-N-acetylmuramoyl-L-alanyl-D-glutamate synthetase, UDPMurNAc-L-alanine:D-glutamate ligase (ADP-forming), Uridine diphosphate N-acetylmuramoyl-L-alanine:D-glutamate ligase, Uridine diphospho-N-acetylmuramoylalanyl-D-glutamate synthetase

ECTree

     6 Ligases
         6.3 Forming carbon-nitrogen bonds
             6.3.2 Acid—amino-acid ligases (peptide synthases)
                6.3.2.9 UDP-N-acetylmuramoyl-L-alanine-D-glutamate ligase

Purification

Purification on EC 6.3.2.9 - UDP-N-acetylmuramoyl-L-alanine-D-glutamate ligase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
method that includes chromatography by a Talon resin
method that includes DEAE-Trisacryl M and hydroxyapatite-Ultrogel chromatography. Large-scale purification using 2-mercaptoethanol as a reducing agent, results in 200 mg of purified enzyme from 54 l of culture, adducts with one or two molecules of 2-mercaptoethanol are formed. Replacement of 2-mercaptoethanol by dithiothreitol gave 162 mg of enzyme from 36 l of culture yielding no clusters with the reducing agent.
-
recombinant His6-tagged enzyme from Escherichia coli strain DH5alpha by nickel affinity chromatography and dialysis
recombinant protein
-
recombinant recombinant GST-tagged MurD from Escherichia coli by glutathione affinity chromatography, His-tagged MurD from Mycobacterium smegmatis by nickel affinity chromatography