8PVG

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

External Resource: Annotation

Domain Annotation: ECOD Classification
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	PF03951	e8pvgA1	A: beta barrels	X: Ribosomal protein L25-like	H: Glutamine synthetase, N-terminal domain (From Topology)	T: Glutamine synthetase, N-terminal domain	F: PF03951	ECOD (1.6)
A	PF00120	e8pvgA2	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: PF00120	ECOD (1.6)

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 organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound 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 amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process organic substance 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 amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process organic substance metabolic process glutamate metabolic process small molecule metabolic process glutamine metabolic process organonitrogen compound metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process ammonia assimilation cycle metabolic process cellular process response to radiation response to abiotic stimulus glutamine family amino acid biosynthetic process cellular biosynthetic process organonitrogen compound biosynthetic process organic acid biosynthetic process carboxylic acid biosynthetic process organic substance biosynthetic process small molecule biosynthetic process L-amino acid biosynthetic process amino acid biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process glutamine biosynthetic process alpha-amino acid biosynthetic process	membrane cellular anatomical entity 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

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 R01GM133198.