8PVG | pdb_00008pvg

Structure of E. coli glutamine synthetase determined by cryoEM at 100 keV

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HIG_1_N	e8pvgA1	A: alpha arrays	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: HIG_1_N	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00120	Glutamine synthetase, catalytic domain (Gln-synt_C)	Glutamine synthetase, catalytic domain		Domain
A	PF03951	Glutamine synthetase, beta-Grasp domain (Gln-synt_N)	Glutamine synthetase, beta-Grasp domain	Glutamine synthetase (GS) plays an essential role in the metabolism of nitrogen by catalysing the condensation of glutamate and ammonia to form glutamine. This entry represents the glutamine synthetase N-terminal domain, which contributes to the subs ...	Glutamine synthetase (GS) plays an essential role in the metabolism of nitrogen by catalysing the condensation of glutamate and ammonia to form glutamine. This entry represents the glutamine synthetase N-terminal domain, which contributes to the substrate binding pocket of the enzyme [1,2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Glutamine synthetase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding acid-ammonia (or amide) ligase activity ammonia ligase activity glutamine synthetase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity cation binding metal ion binding identical protein binding protein binding	response to nutrient levels cellular homeostasis chemical homeostasis response to stimulus homeostatic process intracellular nitrogen homeostasis nitrogen utilization intracellular chemical homeostasis oxoacid metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process L-amino acid metabolic process response to nutrient levels cellular homeostasis chemical homeostasis response to stimulus homeostatic process intracellular nitrogen homeostasis nitrogen utilization intracellular chemical homeostasis oxoacid metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process L-amino acid metabolic process L-glutamine metabolic process proteinogenic amino acid metabolic process glutamate metabolic process ammonia assimilation cycle small molecule metabolic process metabolic process cellular process response to radiation response to abiotic stimulus	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004809	Glutamine synthetase type I	Family
A	IPR008146	Glutamine synthetase, catalytic domain	Domain
A	IPR001637	Glutamine synthetase class-I, adenylation site	Conserved Site
A	IPR027303	Glutamine synthetase, glycine-rich site	Conserved Site
A	IPR027302	Glutamine synthetase, N-terminal conserved site	Conserved Site
A	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily
A	IPR008147	Glutamine synthetase, N-terminal domain	Domain
A	IPR036651	Glutamine synthetase, N-terminal domain superfamily	Homologous Superfamily

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.