General Information of Drug Therapeutic Target (DTT) (ID: TT2BJ1X)

DTT Name Astrocyte glutamine synthetase (GLUL)
Synonyms Palmitoyltransferase GLUL; Glutamine synthetase; Glutamate--ammonia ligase; GS; GLNS
Gene Name GLUL
DTT Type
Literature-reported target
[1]
UniProt ID
GLNA_HUMAN
TTD ID
T73557
3D Structure
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2D Sequence (FASTA)
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3D Structure (PDB)
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EC Number
EC 6.3.1.2
Sequence
MTTSASSHLNKGIKQVYMSLPQGEKVQAMYIWIDGTGEGLRCKTRTLDSEPKCVEELPEW
NFDGSSTLQSEGSNSDMYLVPAAMFRDPFRKDPNKLVLCEVFKYNRRPAETNLRHTCKRI
MDMVSNQHPWFGMEQEYTLMGTDGHPFGWPSNGFPGPQGPYYCGVGADRAYGRDIVEAHY
RACLYAGVKIAGTNAEVMPAQWEFQIGPCEGISMGDHLWVARFILHRVCEDFGVIATFDP
KPIPGNWNGAGCHTNFSTKAMREENGLKYIEEAIEKLSKRHQYHIRAYDPKGGLDNARRL
TGFHETSNINDFSAGVANRSASIRIPRTVGQEKKGYFEDRRPSANCDPFSVTEALIRTCL
LNETGDEPFQYKN
Function
Glutamine synthetase that catalyzes the ATP-dependent conversion of glutamate and ammonia to glutamine. Its role depends on tissue localization: in the brain, it regulates the levels of toxic ammonia and converts neurotoxic glutamate to harmless glutamine, whereas in the liver, it is one of the enzymes responsible for the removal of ammonia (By similarity). Essential for proliferation of fetal skin fibroblasts. Independently of its glutamine synthetase activity, required for endothelial cell migration during vascular development: acts by regulating membrane localization and activation of the GTPase RHOJ, possibly by promoting RHOJ palmitoylation. May act as a palmitoyltransferase for RHOJ: able to autopalmitoylate and then transfer the palmitoyl group to RHOJ. Plays a role in ribosomal 40S subunit biogenesis.
KEGG Pathway
Arginine biosynthesis (hsa00220 )
Alanine, aspartate and glutamate metabolism (hsa00250 )
Glyoxylate and dicarboxylate metabolism (hsa00630 )
Nitrogen metabolism (hsa00910 )
Metabolic pathways (hsa01100 )
Biosynthesis of amino acids (hsa01230 )
Necroptosis (hsa04217 )
Glutamatergic synapse (hsa04724 )
GABAergic synapse (hsa04727 )
Reactome Pathway
Glutamate and glutamine metabolism (R-HSA-8964539 )
Astrocytic Glutamate-Glutamine Uptake And Metabolism (R-HSA-210455 )
BioCyc Pathway
MetaCyc:HS06066-MON

References

1 Regulation of astrocyte glutamine synthetase in epilepsy. Neurochem Int. 2013 Dec;63(7):670-81.