Annotations: 8V1Y

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	HATPase_c	e8v1yC01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: HATPase_c	ECOD (v294.1)
A	HATPase_c	e8v1yA01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: HATPase_c	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, D	PF01230	HIT domain (HIT)	HIT domain		Domain
A, B	PF00120	Glutamine synthetase, catalytic domain (Gln-synt_C)	Glutamine synthetase, catalytic domain		Domain
A, B	PF03951	Glutamine synthetase, beta-Grasp domain (Gln-synt_N)	Glutamine synthetase, beta-Grasp domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	Purine nucleoside phosphoramidase	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides adenosine 5'-monophosphoramidase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds identical protein binding protein binding binding protein homodimerization activity protein dimerization activity nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding	catabolic process oxoacid metabolic process non-proteinogenic amino acid catabolic process D-alanine catabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process non-proteinogenic amino acid metabolic process alpha-amino acid catabolic process carboxylic acid catabolic process D-amino acid metabolic process catabolic process oxoacid metabolic process non-proteinogenic amino acid catabolic process D-alanine catabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process non-proteinogenic amino acid metabolic process alpha-amino acid catabolic process carboxylic acid catabolic process D-amino acid metabolic process metabolic process cellular process small molecule metabolic process small molecule catabolic process D-amino acid catabolic process amino acid catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol
A, B	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 amino acid metabolic process organic acid metabolic process alpha-amino acid metabolic process L-glutamine metabolic process glutamate 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 L-glutamine metabolic process glutamate metabolic process small molecule 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	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR036265	HIT-like superfamily	Homologous Superfamily
C, D	IPR001310	Histidine triad (HIT) protein	Family
C, D	IPR011146	HIT-like domain	Domain
C, D	IPR019808	Histidine triad, conserved site	Conserved Site
A, B	IPR004809	Glutamine synthetase type I	Family
A, B	IPR008146	Glutamine synthetase, catalytic domain	Domain
A, B	IPR001637	Glutamine synthetase class-I, adenylation site	Conserved Site
A, B	IPR027303	Glutamine synthetase, glycine-rich site	Conserved Site
A, B	IPR027302	Glutamine synthetase, N-terminal conserved site	Conserved Site
A, B	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily
A, B	IPR008147	Glutamine synthetase, N-terminal domain	Domain
A, B	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.