9K2N | pdb_00009k2n

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	Beta-Casp	e9k2nF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
E	Beta-Casp	e9k2nE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
D	Beta-Casp	e9k2nD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
C	Beta-Casp	e9k2nC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
B	Beta-Casp	e9k2nB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
A	KR, adh_short_C2	e9k2nA01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: KR, adh_short_C2	ECOD (v295)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	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	response to nutrient levels cellular homeostasis chemical homeostasis response to stimulus homeostatic process intracellular nitrogen homeostasis nitrogen utilization intracellular chemical homeostasis	cellular anatomical structure membrane intracellular anatomical structure cytoplasm

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

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.