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Information on EC 2.7.7.42 - [glutamine synthetase] adenylyltransferase

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IUBMB Comments
This bacterial enzyme adenylates a tyrosine residue of EC 6.3.1.2, glutamine synthetase. The enzyme is bifunctional, and also catalyses a reaction that removes the adenyl group from the modified tyrosine residue (cf. EC 2.7.7.89, [glutamine synthetase]-adenylyl-L-tyrosine phosphorylase) [7,8]. The two activities are present on separate domains.
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
+
[glutamine synthetase]-L-tyrosine
=
+
[glutamine synthetase]-O4-(5'-adenylyl)-L-tyrosine
Synonyms
adenylyltransferase, glutamine synthetase adenylyltransferase, glutamine-synthetase adenylyltransferase, atp:glutamine synthetase adenylyltransferase, glutamine synthetase adenylyl transferase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + [glutamine synthetase]-L-tyrosine = diphosphate + [glutamine synthetase]-O4-(5'-adenylyl)-L-tyrosine
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