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Catalysis of the reaction: ATP + deamido-NAD+ + L-glutamine + H2O = AMP + diphosphate + NAD+ + L-glutamate. Catalysis of the transfer of the amide nitrogen of glutamine to a variety of substrates. GATases catalyze two separate reactions at two active sites, which are located either on a single polypeptide chain or on different subunits. In the glutaminase reaction, glutamine is hydrolyzed to glutamate and ammonia, which is added to an acceptor substrate in the synthase reaction. Catalysis of the ligation of two substances via a carbon-nitrogen bond with concomitant breakage of a diphosphate linkage, usually in a nucleoside triphosphate.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: NAD+ synthase (glutamine-hydrolyzing) activity
Acc: GO:0003952
Aspect: Molecular Function
Desc: Catalysis of the reaction: ATP + deamido-NAD+ + L-glutamine + H2O = AMP + diphosphate + NAD+ + L-glutamate.
Synonyms:
  • desamidonicotinamide adenine dinucleotide amidotransferase activity
  • NAD synthetase (glutamine-hydrolysing)
  • NAD+ synthase (glutamine-hydrolysing)
  • NAD synthase (glutamine-hydrolyzing) activity
  • nicotinamide adenine dinucleotide synthetase (glutamine) activity
  • deamido-NAD+:L-glutamine amido-ligase (AMP-forming)
  • NAD+ synthetase (glutamine-hydrolyzing)
  • NAD(+) synthetase (glutamine-hydrolyzing) activity
  • DPN synthetase activity
Proteins in PDR annotated with:
   This term: 21 [Search]
   Term or descendants: 21 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0003952 - NAD+ synthase (glutamine-hydrolyzing) activity (interactive image map)

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