Annotations: 4LNK

B. subtilis glutamine synthetase structures reveal large active site conformational changes and basis for isoenzyme specific regulation: structure of GS-glutamate-AMPPCP complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4lnka1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
A	d4lnka2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
B	d4lnkb1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
B	d4lnkb2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
C	d4lnkc1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
C	d4lnkc2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
D	d4lnkd1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
D	d4lnkd2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
E	d4lnke1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
E	d4lnke2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
F	d4lnkf1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Glutamine synthetase, N-terminal domain	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
F	d4lnkf2	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	automated matches	automated matches	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	His_biosynth	e4lnkA1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)
B	His_biosynth	e4lnkB1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)
C	His_biosynth	e4lnkC1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)
D	His_biosynth	e4lnkD1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)
E	His_biosynth	e4lnkE1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)
F	His_biosynth	e4lnkF1	A: beta barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: His_biosynth	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
A	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
B	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
B	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
C	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
C	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
D	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
D	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
E	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
E	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
F	3.10.20.70	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Glutamine synthetase, N-terminal domain	CATH (4.3.0)
F	3.30.590.10	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00120	Glutamine synthetase, catalytic domain (Gln-synt_C)	Glutamine synthetase, catalytic domain		Domain
A, B, C, D, E A, B, C, D, E, F	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, B, C, D, E A, B, C, D, E, F	Glutamine synthetase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding organic acid binding amino acid binding carboxylic acid binding L-glutamine binding molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity transcription factor binding protein binding DNA-binding transcription factor binding acid-ammonia (or amide) ligase activity ammonia ligase activity glutamine synthetase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity glutamate binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular response to stimulus regulation of response to nutrient levels response to stimulus nitrogen catabolite regulation of transcription regulation of nitrogen utilization intracellular nitrogen homeostasis nitrogen catabolite repression of transcription catabolite repression cellular response to nutrient levels chemical homeostasis regulation of response to stimulus response to chemical response to nutrient levels homeostatic process intracellular chemical homeostasis response to nutrient nitrogen utilization cellular response to chemical stimulus cellular homeostasis cellular response to nutrient cellular response to nitrogen levels	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

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