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Information on EC 2.7.7.89 - [glutamine synthetase]-adenylyl-L-tyrosine phosphorylase

for references in articles please use BRENDA:EC2.7.7.89
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IUBMB Comments
This bacterial enzyme removes an adenylyl group from a modified tyrosine residue of EC 6.3.1.2, glutamine synthetase. The enzyme is bifunctional, and also performs the adenylation of this residue (cf. EC 2.7.7.42, [glutamine synthetase] adenylyltransferase) [3,5]. The two activities are present on separate domains.
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The enzyme appears in viruses and cellular organisms
Reaction Schemes
[glutamine synthetase]-O4-(5'-adenylyl)-L-tyrosine
+
=
[glutamine synthetase]-L-tyrosine
+
Synonyms
adenylyl(glutamine synthetase) hydrolase, adenylyl-[glutamine-synthetase] hydrolase, GlnE, hydrolase adenylyl(glutamine synthetase), [glutamate-ammonia ligase]-adenylyl-L-tyrosine phosphorylase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
[glutamine synthetase]-O4-(5'-adenylyl)-L-tyrosine + phosphate = [glutamine synthetase]-L-tyrosine + ADP
show the reaction diagram
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